Home / 3,637,123.20-5,455,684.80-1,243,670.40

Finding the Fourth Proportional to 3,637,123.20, 5,455,684.80 and 1,243,670.40

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Solution

The fourth proportional to 3,637,123.20, 5,455,684.80 and 1,243,670.40 is: 1,865,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637,123.20 : 5,455,684.80 = 1,243,670.40 : x
  2. Step 2: Convert to fraction form
    3,637,123.20/5,455,684.80 = 1,243,670.40/x
  3. Step 3: Cross multiply
    3,637,123.20x = 5,455,684.80 × 1,243,670.40
  4. Step 4: Simplify right side
    3,637,123.20x = 6,785,073,697,489.92
  5. Step 5: Solve for x
    x = 6,785,073,697,489.92/3,637,123.20
  6. Step 6: Final answer
    x = 1,865,505.60

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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.