Home / 7,121,034.15-10,681,551.36-1,729,648.25

Finding the Fourth Proportional to 7,121,034.15, 10,681,551.36 and 1,729,648.25

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Solution

The fourth proportional to 7,121,034.15, 10,681,551.36 and 1,729,648.25 is: 2,594,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,034.15 : 10,681,551.36 = 1,729,648.25 : x
  2. Step 2: Convert to fraction form
    7,121,034.15/10,681,551.36 = 1,729,648.25/x
  3. Step 3: Cross multiply
    7,121,034.15x = 10,681,551.36 × 1,729,648.25
  4. Step 4: Simplify right side
    7,121,034.15x = 18,475,326,563,701.36
  5. Step 5: Solve for x
    x = 18,475,326,563,701.36/7,121,034.15
  6. Step 6: Final answer
    x = 2,594,472.40

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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.