Home / 5,386,420-7,433,415.12-2,972,127.52

Finding the Fourth Proportional to 5,386,420, 7,433,415.12 and 2,972,127.52

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Solution

The fourth proportional to 5,386,420, 7,433,415.12 and 2,972,127.52 is: 4,101,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,420 : 7,433,415.12 = 2,972,127.52 : x
  2. Step 2: Convert to fraction form
    5,386,420/7,433,415.12 = 2,972,127.52/x
  3. Step 3: Cross multiply
    5,386,420x = 7,433,415.12 × 2,972,127.52
  4. Step 4: Simplify right side
    5,386,420x = 22,093,057,645,736.10
  5. Step 5: Solve for x
    x = 22,093,057,645,736.10/5,386,420
  6. Step 6: Final answer
    x = 4,101,621.79

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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.