Home / 3,545,130.86-5,316,580.85-1,148,419.43

Finding the Fourth Proportional to 3,545,130.86, 5,316,580.85 and 1,148,419.43

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Solution

The fourth proportional to 3,545,130.86, 5,316,580.85 and 1,148,419.43 is: 1,722,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,130.86 : 5,316,580.85 = 1,148,419.43 : x
  2. Step 2: Convert to fraction form
    3,545,130.86/5,316,580.85 = 1,148,419.43/x
  3. Step 3: Cross multiply
    3,545,130.86x = 5,316,580.85 × 1,148,419.43
  4. Step 4: Simplify right side
    3,545,130.86x = 6,105,664,756,855.27
  5. Step 5: Solve for x
    x = 6,105,664,756,855.27/3,545,130.86
  6. Step 6: Final answer
    x = 1,722,267.81

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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.