Home / 1,944,345.60-2,912,581.80-1,101,913.20

Finding the Fourth Proportional to 1,944,345.60, 2,912,581.80 and 1,101,913.20

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Solution

The fourth proportional to 1,944,345.60, 2,912,581.80 and 1,101,913.20 is: 1,650,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,345.60 : 2,912,581.80 = 1,101,913.20 : x
  2. Step 2: Convert to fraction form
    1,944,345.60/2,912,581.80 = 1,101,913.20/x
  3. Step 3: Cross multiply
    1,944,345.60x = 2,912,581.80 × 1,101,913.20
  4. Step 4: Simplify right side
    1,944,345.60x = 3,209,412,331,499.76
  5. Step 5: Solve for x
    x = 3,209,412,331,499.76/1,944,345.60
  6. Step 6: Final answer
    x = 1,650,638.82

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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.