Home / 4,972,681.17-7,458,282.72-1,378,073.34

Finding the Fourth Proportional to 4,972,681.17, 7,458,282.72 and 1,378,073.34

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Solution

The fourth proportional to 4,972,681.17, 7,458,282.72 and 1,378,073.34 is: 2,066,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,681.17 : 7,458,282.72 = 1,378,073.34 : x
  2. Step 2: Convert to fraction form
    4,972,681.17/7,458,282.72 = 1,378,073.34/x
  3. Step 3: Cross multiply
    4,972,681.17x = 7,458,282.72 × 1,378,073.34
  4. Step 4: Simplify right side
    4,972,681.17x = 10,278,060,578,614.69
  5. Step 5: Solve for x
    x = 10,278,060,578,614.69/4,972,681.17
  6. Step 6: Final answer
    x = 2,066,905.20

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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.