Home / 5,221,567.20-7,205,886.78-2,929,897.38

Finding the Fourth Proportional to 5,221,567.20, 7,205,886.78 and 2,929,897.38

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Solution

The fourth proportional to 5,221,567.20, 7,205,886.78 and 2,929,897.38 is: 4,043,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,567.20 : 7,205,886.78 = 2,929,897.38 : x
  2. Step 2: Convert to fraction form
    5,221,567.20/7,205,886.78 = 2,929,897.38/x
  3. Step 3: Cross multiply
    5,221,567.20x = 7,205,886.78 × 2,929,897.38
  4. Step 4: Simplify right side
    5,221,567.20x = 21,112,508,797,298.64
  5. Step 5: Solve for x
    x = 21,112,508,797,298.64/5,221,567.20
  6. Step 6: Final answer
    x = 4,043,327.99

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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.