Home / 1,855,126.61-2,560,345.19-1,039,385.53

Finding the Fourth Proportional to 1,855,126.61, 2,560,345.19 and 1,039,385.53

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Solution

The fourth proportional to 1,855,126.61, 2,560,345.19 and 1,039,385.53 is: 1,434,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,126.61 : 2,560,345.19 = 1,039,385.53 : x
  2. Step 2: Convert to fraction form
    1,855,126.61/2,560,345.19 = 1,039,385.53/x
  3. Step 3: Cross multiply
    1,855,126.61x = 2,560,345.19 × 1,039,385.53
  4. Step 4: Simplify right side
    1,855,126.61x = 2,661,185,742,291.10
  5. Step 5: Solve for x
    x = 2,661,185,742,291.10/1,855,126.61
  6. Step 6: Final answer
    x = 1,434,503.57

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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.