Home / 4,429,164.30-6,643,746.45-2,189,676.30

Finding the Fourth Proportional to 4,429,164.30, 6,643,746.45 and 2,189,676.30

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Solution

The fourth proportional to 4,429,164.30, 6,643,746.45 and 2,189,676.30 is: 3,284,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,164.30 : 6,643,746.45 = 2,189,676.30 : x
  2. Step 2: Convert to fraction form
    4,429,164.30/6,643,746.45 = 2,189,676.30/x
  3. Step 3: Cross multiply
    4,429,164.30x = 6,643,746.45 × 2,189,676.30
  4. Step 4: Simplify right side
    4,429,164.30x = 14,547,654,144,774.13
  5. Step 5: Solve for x
    x = 14,547,654,144,774.13/4,429,164.30
  6. Step 6: Final answer
    x = 3,284,514.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.