Home / 1,943,988.60-2,915,982.90-1,825,793.40

Finding the Fourth Proportional to 1,943,988.60, 2,915,982.90 and 1,825,793.40

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Solution

The fourth proportional to 1,943,988.60, 2,915,982.90 and 1,825,793.40 is: 2,738,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,988.60 : 2,915,982.90 = 1,825,793.40 : x
  2. Step 2: Convert to fraction form
    1,943,988.60/2,915,982.90 = 1,825,793.40/x
  3. Step 3: Cross multiply
    1,943,988.60x = 2,915,982.90 × 1,825,793.40
  4. Step 4: Simplify right side
    1,943,988.60x = 5,323,982,333,332.86
  5. Step 5: Solve for x
    x = 5,323,982,333,332.86/1,943,988.60
  6. Step 6: Final answer
    x = 2,738,690.10

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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.