Home / 7,121,036.64-10,681,555.08-1,729,650.74

Finding the Fourth Proportional to 7,121,036.64, 10,681,555.08 and 1,729,650.74

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Solution

The fourth proportional to 7,121,036.64, 10,681,555.08 and 1,729,650.74 is: 2,594,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,036.64 : 10,681,555.08 = 1,729,650.74 : x
  2. Step 2: Convert to fraction form
    7,121,036.64/10,681,555.08 = 1,729,650.74/x
  3. Step 3: Cross multiply
    7,121,036.64x = 10,681,555.08 × 1,729,650.74
  4. Step 4: Simplify right side
    7,121,036.64x = 18,475,359,595,064.98
  5. Step 5: Solve for x
    x = 18,475,359,595,064.98/7,121,036.64
  6. Step 6: Final answer
    x = 2,594,476.13

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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.