Home / 2,178,780.50-3,006,717.10-1,224,924.50

Finding the Fourth Proportional to 2,178,780.50, 3,006,717.10 and 1,224,924.50

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Solution

The fourth proportional to 2,178,780.50, 3,006,717.10 and 1,224,924.50 is: 1,690,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,780.50 : 3,006,717.10 = 1,224,924.50 : x
  2. Step 2: Convert to fraction form
    2,178,780.50/3,006,717.10 = 1,224,924.50/x
  3. Step 3: Cross multiply
    2,178,780.50x = 3,006,717.10 × 1,224,924.50
  4. Step 4: Simplify right side
    2,178,780.50x = 3,683,001,440,358.95
  5. Step 5: Solve for x
    x = 3,683,001,440,358.95/2,178,780.50
  6. Step 6: Final answer
    x = 1,690,395.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.