Home / 4,890,890.90-6,749,117.22-2,715,433.51

Finding the Fourth Proportional to 4,890,890.90, 6,749,117.22 and 2,715,433.51

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Solution

The fourth proportional to 4,890,890.90, 6,749,117.22 and 2,715,433.51 is: 3,747,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,890.90 : 6,749,117.22 = 2,715,433.51 : x
  2. Step 2: Convert to fraction form
    4,890,890.90/6,749,117.22 = 2,715,433.51/x
  3. Step 3: Cross multiply
    4,890,890.90x = 6,749,117.22 × 2,715,433.51
  4. Step 4: Simplify right side
    4,890,890.90x = 18,326,779,028,360.45
  5. Step 5: Solve for x
    x = 18,326,779,028,360.45/4,890,890.90
  6. Step 6: Final answer
    x = 3,747,124.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.