Home / 3,791,145.60-5,687,012.16-1,266,809.76

Finding the Fourth Proportional to 3,791,145.60, 5,687,012.16 and 1,266,809.76

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Solution

The fourth proportional to 3,791,145.60, 5,687,012.16 and 1,266,809.76 is: 1,900,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791,145.60 : 5,687,012.16 = 1,266,809.76 : x
  2. Step 2: Convert to fraction form
    3,791,145.60/5,687,012.16 = 1,266,809.76/x
  3. Step 3: Cross multiply
    3,791,145.60x = 5,687,012.16 × 1,266,809.76
  4. Step 4: Simplify right side
    3,791,145.60x = 7,204,362,509,526.68
  5. Step 5: Solve for x
    x = 7,204,362,509,526.68/3,791,145.60
  6. Step 6: Final answer
    x = 1,900,312.80

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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.