Home / 3,516,855.40-5,275,225.86-1,120,667.68

Finding the Fourth Proportional to 3,516,855.40, 5,275,225.86 and 1,120,667.68

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Solution

The fourth proportional to 3,516,855.40, 5,275,225.86 and 1,120,667.68 is: 1,680,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,855.40 : 5,275,225.86 = 1,120,667.68 : x
  2. Step 2: Convert to fraction form
    3,516,855.40/5,275,225.86 = 1,120,667.68/x
  3. Step 3: Cross multiply
    3,516,855.40x = 5,275,225.86 × 1,120,667.68
  4. Step 4: Simplify right side
    3,516,855.40x = 5,911,775,126,002.21
  5. Step 5: Solve for x
    x = 5,911,775,126,002.21/3,516,855.40
  6. Step 6: Final answer
    x = 1,680,983.28

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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.