Home / 1,992,407.10-2,988,289.89-572,140.14

Finding the Fourth Proportional to 1,992,407.10, 2,988,289.89 and 572,140.14

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Solution

The fourth proportional to 1,992,407.10, 2,988,289.89 and 572,140.14 is: 858,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,407.10 : 2,988,289.89 = 572,140.14 : x
  2. Step 2: Convert to fraction form
    1,992,407.10/2,988,289.89 = 572,140.14/x
  3. Step 3: Cross multiply
    1,992,407.10x = 2,988,289.89 × 572,140.14
  4. Step 4: Simplify right side
    1,992,407.10x = 1,709,720,596,025.18
  5. Step 5: Solve for x
    x = 1,709,720,596,025.18/1,992,407.10
  6. Step 6: Final answer
    x = 858,118.10

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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.