Home / 3,516,983.80-5,275,475.70-1,120,809.40

Finding the Fourth Proportional to 3,516,983.80, 5,275,475.70 and 1,120,809.40

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Solution

The fourth proportional to 3,516,983.80, 5,275,475.70 and 1,120,809.40 is: 1,681,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,983.80 : 5,275,475.70 = 1,120,809.40 : x
  2. Step 2: Convert to fraction form
    3,516,983.80/5,275,475.70 = 1,120,809.40/x
  3. Step 3: Cross multiply
    3,516,983.80x = 5,275,475.70 × 1,120,809.40
  4. Step 4: Simplify right side
    3,516,983.80x = 5,912,802,754,031.58
  5. Step 5: Solve for x
    x = 5,912,802,754,031.58/3,516,983.80
  6. Step 6: Final answer
    x = 1,681,214.10

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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.