Home / 1,580,898.42-2,181,641.13-855,743.91

Finding the Fourth Proportional to 1,580,898.42, 2,181,641.13 and 855,743.91

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Solution

The fourth proportional to 1,580,898.42, 2,181,641.13 and 855,743.91 is: 1,180,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,898.42 : 2,181,641.13 = 855,743.91 : x
  2. Step 2: Convert to fraction form
    1,580,898.42/2,181,641.13 = 855,743.91/x
  3. Step 3: Cross multiply
    1,580,898.42x = 2,181,641.13 × 855,743.91
  4. Step 4: Simplify right side
    1,580,898.42x = 1,866,926,110,803.02
  5. Step 5: Solve for x
    x = 1,866,926,110,803.02/1,580,898.42
  6. Step 6: Final answer
    x = 1,180,927.31

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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.