Home / 1,986,806.64-2,742,171.08-1,127,446.88

Finding the Fourth Proportional to 1,986,806.64, 2,742,171.08 and 1,127,446.88

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Solution

The fourth proportional to 1,986,806.64, 2,742,171.08 and 1,127,446.88 is: 1,556,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,806.64 : 2,742,171.08 = 1,127,446.88 : x
  2. Step 2: Convert to fraction form
    1,986,806.64/2,742,171.08 = 1,127,446.88/x
  3. Step 3: Cross multiply
    1,986,806.64x = 2,742,171.08 × 1,127,446.88
  4. Step 4: Simplify right side
    1,986,806.64x = 3,091,652,228,572.23
  5. Step 5: Solve for x
    x = 3,091,652,228,572.23/1,986,806.64
  6. Step 6: Final answer
    x = 1,556,091.15

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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.