Home / 1,581,801.48-2,182,888.85-856,647.09

Finding the Fourth Proportional to 1,581,801.48, 2,182,888.85 and 856,647.09

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Solution

The fourth proportional to 1,581,801.48, 2,182,888.85 and 856,647.09 is: 1,182,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,801.48 : 2,182,888.85 = 856,647.09 : x
  2. Step 2: Convert to fraction form
    1,581,801.48/2,182,888.85 = 856,647.09/x
  3. Step 3: Cross multiply
    1,581,801.48x = 2,182,888.85 × 856,647.09
  4. Step 4: Simplify right side
    1,581,801.48x = 1,869,965,376,862.71
  5. Step 5: Solve for x
    x = 1,869,965,376,862.71/1,581,801.48
  6. Step 6: Final answer
    x = 1,182,174.50

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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.