Home / 5,302,531.71-7,318,118.04-2,979,429.24

Finding the Fourth Proportional to 5,302,531.71, 7,318,118.04 and 2,979,429.24

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Solution

The fourth proportional to 5,302,531.71, 7,318,118.04 and 2,979,429.24 is: 4,111,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,531.71 : 7,318,118.04 = 2,979,429.24 : x
  2. Step 2: Convert to fraction form
    5,302,531.71/7,318,118.04 = 2,979,429.24/x
  3. Step 3: Cross multiply
    5,302,531.71x = 7,318,118.04 × 2,979,429.24
  4. Step 4: Simplify right side
    5,302,531.71x = 21,803,814,870,147.49
  5. Step 5: Solve for x
    x = 21,803,814,870,147.49/5,302,531.71
  6. Step 6: Final answer
    x = 4,111,963.13

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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.