Home / 1,681,311.60-2,521,967.40-1,551,403.80

Finding the Fourth Proportional to 1,681,311.60, 2,521,967.40 and 1,551,403.80

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Solution

The fourth proportional to 1,681,311.60, 2,521,967.40 and 1,551,403.80 is: 2,327,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,311.60 : 2,521,967.40 = 1,551,403.80 : x
  2. Step 2: Convert to fraction form
    1,681,311.60/2,521,967.40 = 1,551,403.80/x
  3. Step 3: Cross multiply
    1,681,311.60x = 2,521,967.40 × 1,551,403.80
  4. Step 4: Simplify right side
    1,681,311.60x = 3,912,589,807,836.12
  5. Step 5: Solve for x
    x = 3,912,589,807,836.12/1,681,311.60
  6. Step 6: Final answer
    x = 2,327,105.70

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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.