Home / 1,556,770.38-2,147,228.56-1,011,889.86

Finding the Fourth Proportional to 1,556,770.38, 2,147,228.56 and 1,011,889.86

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Solution

The fourth proportional to 1,556,770.38, 2,147,228.56 and 1,011,889.86 is: 1,395,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,770.38 : 2,147,228.56 = 1,011,889.86 : x
  2. Step 2: Convert to fraction form
    1,556,770.38/2,147,228.56 = 1,011,889.86/x
  3. Step 3: Cross multiply
    1,556,770.38x = 2,147,228.56 × 1,011,889.86
  4. Step 4: Simplify right side
    1,556,770.38x = 2,172,758,806,966.40
  5. Step 5: Solve for x
    x = 2,172,758,806,966.40/1,556,770.38
  6. Step 6: Final answer
    x = 1,395,683.55

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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.