Home / 1,887,589.86-2,604,879.45-1,123,636.74

Finding the Fourth Proportional to 1,887,589.86, 2,604,879.45 and 1,123,636.74

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Solution

The fourth proportional to 1,887,589.86, 2,604,879.45 and 1,123,636.74 is: 1,550,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,589.86 : 2,604,879.45 = 1,123,636.74 : x
  2. Step 2: Convert to fraction form
    1,887,589.86/2,604,879.45 = 1,123,636.74/x
  3. Step 3: Cross multiply
    1,887,589.86x = 2,604,879.45 × 1,123,636.74
  4. Step 4: Simplify right side
    1,887,589.86x = 2,926,938,253,290.99
  5. Step 5: Solve for x
    x = 2,926,938,253,290.99/1,887,589.86
  6. Step 6: Final answer
    x = 1,550,621.94

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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.