Home / 6,506,800.20-8,979,385.05-3,606,378.21

Finding the Fourth Proportional to 6,506,800.20, 8,979,385.05 and 3,606,378.21

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Solution

The fourth proportional to 6,506,800.20, 8,979,385.05 and 3,606,378.21 is: 4,976,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,800.20 : 8,979,385.05 = 3,606,378.21 : x
  2. Step 2: Convert to fraction form
    6,506,800.20/8,979,385.05 = 3,606,378.21/x
  3. Step 3: Cross multiply
    6,506,800.20x = 8,979,385.05 × 3,606,378.21
  4. Step 4: Simplify right side
    6,506,800.20x = 32,383,058,583,519.76
  5. Step 5: Solve for x
    x = 32,383,058,583,519.76/6,506,800.20
  6. Step 6: Final answer
    x = 4,976,802.36

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1.5x scale

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.