Home / 4,712,939.98-7,069,963.64-1,680,736.91

Finding the Fourth Proportional to 4,712,939.98, 7,069,963.64 and 1,680,736.91

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Solution

The fourth proportional to 4,712,939.98, 7,069,963.64 and 1,680,736.91 is: 2,521,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,939.98 : 7,069,963.64 = 1,680,736.91 : x
  2. Step 2: Convert to fraction form
    4,712,939.98/7,069,963.64 = 1,680,736.91/x
  3. Step 3: Cross multiply
    4,712,939.98x = 7,069,963.64 × 1,680,736.91
  4. Step 4: Simplify right side
    4,712,939.98x = 11,882,748,798,352.45
  5. Step 5: Solve for x
    x = 11,882,748,798,352.45/4,712,939.98
  6. Step 6: Final answer
    x = 2,521,302.81

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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.