Home / 1,866,537.30-2,802,758.40-1,417,764.90

Finding the Fourth Proportional to 1,866,537.30, 2,802,758.40 and 1,417,764.90

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Solution

The fourth proportional to 1,866,537.30, 2,802,758.40 and 1,417,764.90 is: 2,128,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,537.30 : 2,802,758.40 = 1,417,764.90 : x
  2. Step 2: Convert to fraction form
    1,866,537.30/2,802,758.40 = 1,417,764.90/x
  3. Step 3: Cross multiply
    1,866,537.30x = 2,802,758.40 × 1,417,764.90
  4. Step 4: Simplify right side
    1,866,537.30x = 3,973,652,482,700.16
  5. Step 5: Solve for x
    x = 3,973,652,482,700.16/1,866,537.30
  6. Step 6: Final answer
    x = 2,128,889.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.