Home / 3,912,981.40-5,862,473.70-2,415,323.80

Finding the Fourth Proportional to 3,912,981.40, 5,862,473.70 and 2,415,323.80

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Solution

The fourth proportional to 3,912,981.40, 5,862,473.70 and 2,415,323.80 is: 3,618,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,981.40 : 5,862,473.70 = 2,415,323.80 : x
  2. Step 2: Convert to fraction form
    3,912,981.40/5,862,473.70 = 2,415,323.80/x
  3. Step 3: Cross multiply
    3,912,981.40x = 5,862,473.70 × 2,415,323.80
  4. Step 4: Simplify right side
    3,912,981.40x = 14,159,772,254,484.06
  5. Step 5: Solve for x
    x = 14,159,772,254,484.06/3,912,981.40
  6. Step 6: Final answer
    x = 3,618,665.87

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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.