Home / 1,986,805.14-2,742,169.01-1,127,445.38

Finding the Fourth Proportional to 1,986,805.14, 2,742,169.01 and 1,127,445.38

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Solution

The fourth proportional to 1,986,805.14, 2,742,169.01 and 1,127,445.38 is: 1,556,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,805.14 : 2,742,169.01 = 1,127,445.38 : x
  2. Step 2: Convert to fraction form
    1,986,805.14/2,742,169.01 = 1,127,445.38/x
  3. Step 3: Cross multiply
    1,986,805.14x = 2,742,169.01 × 1,127,445.38
  4. Step 4: Simplify right side
    1,986,805.14x = 3,091,645,781,503.67
  5. Step 5: Solve for x
    x = 3,091,645,781,503.67/1,986,805.14
  6. Step 6: Final answer
    x = 1,556,089.08

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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.