Home / 5,280,692.61-7,287,103.84-3,243,108.45

Finding the Fourth Proportional to 5,280,692.61, 7,287,103.84 and 3,243,108.45

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Solution

The fourth proportional to 5,280,692.61, 7,287,103.84 and 3,243,108.45 is: 4,475,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,692.61 : 7,287,103.84 = 3,243,108.45 : x
  2. Step 2: Convert to fraction form
    5,280,692.61/7,287,103.84 = 3,243,108.45/x
  3. Step 3: Cross multiply
    5,280,692.61x = 7,287,103.84 × 3,243,108.45
  4. Step 4: Simplify right side
    5,280,692.61x = 23,632,868,039,531.45
  5. Step 5: Solve for x
    x = 23,632,868,039,531.45/5,280,692.61
  6. Step 6: Final answer
    x = 4,475,334.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.