Home / 2,916,890.40-4,375,306.80-922,346.40

Finding the Fourth Proportional to 2,916,890.40, 4,375,306.80 and 922,346.40

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Solution

The fourth proportional to 2,916,890.40, 4,375,306.80 and 922,346.40 is: 1,383,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,890.40 : 4,375,306.80 = 922,346.40 : x
  2. Step 2: Convert to fraction form
    2,916,890.40/4,375,306.80 = 922,346.40/x
  3. Step 3: Cross multiply
    2,916,890.40x = 4,375,306.80 × 922,346.40
  4. Step 4: Simplify right side
    2,916,890.40x = 4,035,548,475,875.52
  5. Step 5: Solve for x
    x = 4,035,548,475,875.52/2,916,890.40
  6. Step 6: Final answer
    x = 1,383,510.49

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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.