Home / 4,672,279.40-6,997,359.90-3,168,228.20

Finding the Fourth Proportional to 4,672,279.40, 6,997,359.90 and 3,168,228.20

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Solution

The fourth proportional to 4,672,279.40, 6,997,359.90 and 3,168,228.20 is: 4,744,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,279.40 : 6,997,359.90 = 3,168,228.20 : x
  2. Step 2: Convert to fraction form
    4,672,279.40/6,997,359.90 = 3,168,228.20/x
  3. Step 3: Cross multiply
    4,672,279.40x = 6,997,359.90 × 3,168,228.20
  4. Step 4: Simplify right side
    4,672,279.40x = 22,169,232,960,729.18
  5. Step 5: Solve for x
    x = 22,169,232,960,729.18/4,672,279.40
  6. Step 6: Final answer
    x = 4,744,843.16

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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.