Home / 4,260,266.58-6,390,456.38-1,420,379.64

Finding the Fourth Proportional to 4,260,266.58, 6,390,456.38 and 1,420,379.64

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Solution

The fourth proportional to 4,260,266.58, 6,390,456.38 and 1,420,379.64 is: 2,130,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,266.58 : 6,390,456.38 = 1,420,379.64 : x
  2. Step 2: Convert to fraction form
    4,260,266.58/6,390,456.38 = 1,420,379.64/x
  3. Step 3: Cross multiply
    4,260,266.58x = 6,390,456.38 × 1,420,379.64
  4. Step 4: Simplify right side
    4,260,266.58x = 9,076,874,132,460.10
  5. Step 5: Solve for x
    x = 9,076,874,132,460.10/4,260,266.58
  6. Step 6: Final answer
    x = 2,130,588.30

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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.