Home / 1,956,739.20-2,700,429.12-1,097,354.88

Finding the Fourth Proportional to 1,956,739.20, 2,700,429.12 and 1,097,354.88

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Solution

The fourth proportional to 1,956,739.20, 2,700,429.12 and 1,097,354.88 is: 1,514,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,739.20 : 2,700,429.12 = 1,097,354.88 : x
  2. Step 2: Convert to fraction form
    1,956,739.20/2,700,429.12 = 1,097,354.88/x
  3. Step 3: Cross multiply
    1,956,739.20x = 2,700,429.12 × 1,097,354.88
  4. Step 4: Simplify right side
    1,956,739.20x = 2,963,329,072,926.11
  5. Step 5: Solve for x
    x = 2,963,329,072,926.11/1,956,739.20
  6. Step 6: Final answer
    x = 1,514,422.09

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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.