Home / 2,103,472.74-2,907,696-1,876,281.72

Finding the Fourth Proportional to 2,103,472.74, 2,907,696 and 1,876,281.72

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Solution

The fourth proportional to 2,103,472.74, 2,907,696 and 1,876,281.72 is: 2,593,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,472.74 : 2,907,696 = 1,876,281.72 : x
  2. Step 2: Convert to fraction form
    2,103,472.74/2,907,696 = 1,876,281.72/x
  3. Step 3: Cross multiply
    2,103,472.74x = 2,907,696 × 1,876,281.72
  4. Step 4: Simplify right side
    2,103,472.74x = 5,455,656,852,117.12
  5. Step 5: Solve for x
    x = 5,455,656,852,117.12/2,103,472.74
  6. Step 6: Final answer
    x = 2,593,642.76

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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.