Home / 1,866,159.12-2,576,539.08-1,435,679.76

Finding the Fourth Proportional to 1,866,159.12, 2,576,539.08 and 1,435,679.76

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Solution

The fourth proportional to 1,866,159.12, 2,576,539.08 and 1,435,679.76 is: 1,982,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,159.12 : 2,576,539.08 = 1,435,679.76 : x
  2. Step 2: Convert to fraction form
    1,866,159.12/2,576,539.08 = 1,435,679.76/x
  3. Step 3: Cross multiply
    1,866,159.12x = 2,576,539.08 × 1,435,679.76
  4. Step 4: Simplify right side
    1,866,159.12x = 3,699,085,008,005.02
  5. Step 5: Solve for x
    x = 3,699,085,008,005.02/1,866,159.12
  6. Step 6: Final answer
    x = 1,982,191.64

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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.