Home / 1,761,060.87-2,642,477.67-1,312,682.13

Finding the Fourth Proportional to 1,761,060.87, 2,642,477.67 and 1,312,682.13

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Solution

The fourth proportional to 1,761,060.87, 2,642,477.67 and 1,312,682.13 is: 1,969,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,060.87 : 2,642,477.67 = 1,312,682.13 : x
  2. Step 2: Convert to fraction form
    1,761,060.87/2,642,477.67 = 1,312,682.13/x
  3. Step 3: Cross multiply
    1,761,060.87x = 2,642,477.67 × 1,312,682.13
  4. Step 4: Simplify right side
    1,761,060.87x = 3,468,733,216,333.04
  5. Step 5: Solve for x
    x = 3,468,733,216,333.04/1,761,060.87
  6. Step 6: Final answer
    x = 1,969,683.89

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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.