Home / 1,986,773.71-2,742,719.65-1,333,165.88

Finding the Fourth Proportional to 1,986,773.71, 2,742,719.65 and 1,333,165.88

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Solution

The fourth proportional to 1,986,773.71, 2,742,719.65 and 1,333,165.88 is: 1,840,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,773.71 : 2,742,719.65 = 1,333,165.88 : x
  2. Step 2: Convert to fraction form
    1,986,773.71/2,742,719.65 = 1,333,165.88/x
  3. Step 3: Cross multiply
    1,986,773.71x = 2,742,719.65 × 1,333,165.88
  4. Step 4: Simplify right side
    1,986,773.71x = 3,656,500,255,785.54
  5. Step 5: Solve for x
    x = 3,656,500,255,785.54/1,986,773.71
  6. Step 6: Final answer
    x = 1,840,421.10

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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.