Home / 3,465,681.60-5,198,869.80-1,190,906.40

Finding the Fourth Proportional to 3,465,681.60, 5,198,869.80 and 1,190,906.40

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Solution

The fourth proportional to 3,465,681.60, 5,198,869.80 and 1,190,906.40 is: 1,786,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465,681.60 : 5,198,869.80 = 1,190,906.40 : x
  2. Step 2: Convert to fraction form
    3,465,681.60/5,198,869.80 = 1,190,906.40/x
  3. Step 3: Cross multiply
    3,465,681.60x = 5,198,869.80 × 1,190,906.40
  4. Step 4: Simplify right side
    3,465,681.60x = 6,191,367,317,586.72
  5. Step 5: Solve for x
    x = 6,191,367,317,586.72/3,465,681.60
  6. Step 6: Final answer
    x = 1,786,478.98

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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.