Home / 2,872,847.70-4,309,271.55-2,400,455.70

Finding the Fourth Proportional to 2,872,847.70, 4,309,271.55 and 2,400,455.70

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Solution

The fourth proportional to 2,872,847.70, 4,309,271.55 and 2,400,455.70 is: 3,600,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,847.70 : 4,309,271.55 = 2,400,455.70 : x
  2. Step 2: Convert to fraction form
    2,872,847.70/4,309,271.55 = 2,400,455.70/x
  3. Step 3: Cross multiply
    2,872,847.70x = 4,309,271.55 × 2,400,455.70
  4. Step 4: Simplify right side
    2,872,847.70x = 10,344,215,455,045.34
  5. Step 5: Solve for x
    x = 10,344,215,455,045.34/2,872,847.70
  6. Step 6: Final answer
    x = 3,600,683.55

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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.