Home / 2,931,223.20-4,388,961.60-2,931,223.20

Finding the Fourth Proportional to 2,931,223.20, 4,388,961.60 and 2,931,223.20

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Solution

The fourth proportional to 2,931,223.20, 4,388,961.60 and 2,931,223.20 is: 4,388,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,223.20 : 4,388,961.60 = 2,931,223.20 : x
  2. Step 2: Convert to fraction form
    2,931,223.20/4,388,961.60 = 2,931,223.20/x
  3. Step 3: Cross multiply
    2,931,223.20x = 4,388,961.60 × 2,931,223.20
  4. Step 4: Simplify right side
    2,931,223.20x = 12,865,026,065,829.12
  5. Step 5: Solve for x
    x = 12,865,026,065,829.12/2,931,223.20
  6. Step 6: Final answer
    x = 4,388,961.60

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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.