Home / 1,418,688.60-2,128,032.90-1,334,707.80

Finding the Fourth Proportional to 1,418,688.60, 2,128,032.90 and 1,334,707.80

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Solution

The fourth proportional to 1,418,688.60, 2,128,032.90 and 1,334,707.80 is: 2,002,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,688.60 : 2,128,032.90 = 1,334,707.80 : x
  2. Step 2: Convert to fraction form
    1,418,688.60/2,128,032.90 = 1,334,707.80/x
  3. Step 3: Cross multiply
    1,418,688.60x = 2,128,032.90 × 1,334,707.80
  4. Step 4: Simplify right side
    1,418,688.60x = 2,840,302,110,286.62
  5. Step 5: Solve for x
    x = 2,840,302,110,286.62/1,418,688.60
  6. Step 6: Final answer
    x = 2,002,061.70

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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.