Home / 5,064,290.78-6,989,386.55-2,888,335.13

Finding the Fourth Proportional to 5,064,290.78, 6,989,386.55 and 2,888,335.13

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Solution

The fourth proportional to 5,064,290.78, 6,989,386.55 and 2,888,335.13 is: 3,986,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064,290.78 : 6,989,386.55 = 2,888,335.13 : x
  2. Step 2: Convert to fraction form
    5,064,290.78/6,989,386.55 = 2,888,335.13/x
  3. Step 3: Cross multiply
    5,064,290.78x = 6,989,386.55 × 2,888,335.13
  4. Step 4: Simplify right side
    5,064,290.78x = 20,187,690,660,125.89
  5. Step 5: Solve for x
    x = 20,187,690,660,125.89/5,064,290.78
  6. Step 6: Final answer
    x = 3,986,281.90

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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.