Home / 1,551,882.50-2,140,384.61-1,008,193.46

Finding the Fourth Proportional to 1,551,882.50, 2,140,384.61 and 1,008,193.46

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Solution

The fourth proportional to 1,551,882.50, 2,140,384.61 and 1,008,193.46 is: 1,390,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,882.50 : 2,140,384.61 = 1,008,193.46 : x
  2. Step 2: Convert to fraction form
    1,551,882.50/2,140,384.61 = 1,008,193.46/x
  3. Step 3: Cross multiply
    1,551,882.50x = 2,140,384.61 × 1,008,193.46
  4. Step 4: Simplify right side
    1,551,882.50x = 2,157,921,765,686.65
  5. Step 5: Solve for x
    x = 2,157,921,765,686.65/1,551,882.50
  6. Step 6: Final answer
    x = 1,390,518.79

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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.