Home / 1,581,740.69-2,182,798.82-856,586.16

Finding the Fourth Proportional to 1,581,740.69, 2,182,798.82 and 856,586.16

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Solution

The fourth proportional to 1,581,740.69, 2,182,798.82 and 856,586.16 is: 1,182,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,740.69 : 2,182,798.82 = 856,586.16 : x
  2. Step 2: Convert to fraction form
    1,581,740.69/2,182,798.82 = 856,586.16/x
  3. Step 3: Cross multiply
    1,581,740.69x = 2,182,798.82 × 856,586.16
  4. Step 4: Simplify right side
    1,581,740.69x = 1,869,755,259,276.33
  5. Step 5: Solve for x
    x = 1,869,755,259,276.33/1,581,740.69
  6. Step 6: Final answer
    x = 1,182,087.10

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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.