Home / 2,191,417.20-3,024,097.67-1,224,555.44

Finding the Fourth Proportional to 2,191,417.20, 3,024,097.67 and 1,224,555.44

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Solution

The fourth proportional to 2,191,417.20, 3,024,097.67 and 1,224,555.44 is: 1,689,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,417.20 : 3,024,097.67 = 1,224,555.44 : x
  2. Step 2: Convert to fraction form
    2,191,417.20/3,024,097.67 = 1,224,555.44/x
  3. Step 3: Cross multiply
    2,191,417.20x = 3,024,097.67 × 1,224,555.44
  4. Step 4: Simplify right side
    2,191,417.20x = 3,703,175,240,830.73
  5. Step 5: Solve for x
    x = 3,703,175,240,830.73/2,191,417.20
  6. Step 6: Final answer
    x = 1,689,854.05

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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.