Home / 5,180,640.63-7,148,392.05-3,321,681.82

Finding the Fourth Proportional to 5,180,640.63, 7,148,392.05 and 3,321,681.82

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Solution

The fourth proportional to 5,180,640.63, 7,148,392.05 and 3,321,681.82 is: 4,583,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,640.63 : 7,148,392.05 = 3,321,681.82 : x
  2. Step 2: Convert to fraction form
    5,180,640.63/7,148,392.05 = 3,321,681.82/x
  3. Step 3: Cross multiply
    5,180,640.63x = 7,148,392.05 × 3,321,681.82
  4. Step 4: Simplify right side
    5,180,640.63x = 23,744,683,909,302.86
  5. Step 5: Solve for x
    x = 23,744,683,909,302.86/5,180,640.63
  6. Step 6: Final answer
    x = 4,583,348.98

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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.