Home / 2,700,678.90-3,727,395.18-1,555,422.34

Finding the Fourth Proportional to 2,700,678.90, 3,727,395.18 and 1,555,422.34

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Solution

The fourth proportional to 2,700,678.90, 3,727,395.18 and 1,555,422.34 is: 2,146,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700,678.90 : 3,727,395.18 = 1,555,422.34 : x
  2. Step 2: Convert to fraction form
    2,700,678.90/3,727,395.18 = 1,555,422.34/x
  3. Step 3: Cross multiply
    2,700,678.90x = 3,727,395.18 × 1,555,422.34
  4. Step 4: Simplify right side
    2,700,678.90x = 5,797,673,732,980.32
  5. Step 5: Solve for x
    x = 5,797,673,732,980.32/2,700,678.90
  6. Step 6: Final answer
    x = 2,146,746.78

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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.