Home / 1,656,190.80-2,484,286.20-1,390,470.30

Finding the Fourth Proportional to 1,656,190.80, 2,484,286.20 and 1,390,470.30

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Solution

The fourth proportional to 1,656,190.80, 2,484,286.20 and 1,390,470.30 is: 2,085,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,190.80 : 2,484,286.20 = 1,390,470.30 : x
  2. Step 2: Convert to fraction form
    1,656,190.80/2,484,286.20 = 1,390,470.30/x
  3. Step 3: Cross multiply
    1,656,190.80x = 2,484,286.20 × 1,390,470.30
  4. Step 4: Simplify right side
    1,656,190.80x = 3,454,326,177,799.86
  5. Step 5: Solve for x
    x = 3,454,326,177,799.86/1,656,190.80
  6. Step 6: Final answer
    x = 2,085,705.45

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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.