Home / 2,916,416.80-4,374,625.20-2,123,264.80

Finding the Fourth Proportional to 2,916,416.80, 4,374,625.20 and 2,123,264.80

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Solution

The fourth proportional to 2,916,416.80, 4,374,625.20 and 2,123,264.80 is: 3,184,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,416.80 : 4,374,625.20 = 2,123,264.80 : x
  2. Step 2: Convert to fraction form
    2,916,416.80/4,374,625.20 = 2,123,264.80/x
  3. Step 3: Cross multiply
    2,916,416.80x = 4,374,625.20 × 2,123,264.80
  4. Step 4: Simplify right side
    2,916,416.80x = 9,288,487,700,352.96
  5. Step 5: Solve for x
    x = 9,288,487,700,352.96/2,916,416.80
  6. Step 6: Final answer
    x = 3,184,897.20

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Double scale
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1.5x scale

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.