Home / 5,777,430.40-8,663,812.80-1,988,963.20

Finding the Fourth Proportional to 5,777,430.40, 8,663,812.80 and 1,988,963.20

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Solution

The fourth proportional to 5,777,430.40, 8,663,812.80 and 1,988,963.20 is: 2,982,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777,430.40 : 8,663,812.80 = 1,988,963.20 : x
  2. Step 2: Convert to fraction form
    5,777,430.40/8,663,812.80 = 1,988,963.20/x
  3. Step 3: Cross multiply
    5,777,430.40x = 8,663,812.80 × 1,988,963.20
  4. Step 4: Simplify right side
    5,777,430.40x = 17,232,004,830,888.96
  5. Step 5: Solve for x
    x = 17,232,004,830,888.96/5,777,430.40
  6. Step 6: Final answer
    x = 2,982,641.70

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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.