Home / 4,872,490.40-7,287,999.60-4,370,679.20

Finding the Fourth Proportional to 4,872,490.40, 7,287,999.60 and 4,370,679.20

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Solution

The fourth proportional to 4,872,490.40, 7,287,999.60 and 4,370,679.20 is: 6,537,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,490.40 : 7,287,999.60 = 4,370,679.20 : x
  2. Step 2: Convert to fraction form
    4,872,490.40/7,287,999.60 = 4,370,679.20/x
  3. Step 3: Cross multiply
    4,872,490.40x = 7,287,999.60 × 4,370,679.20
  4. Step 4: Simplify right side
    4,872,490.40x = 31,853,508,261,328.32
  5. Step 5: Solve for x
    x = 31,853,508,261,328.32/4,872,490.40
  6. Step 6: Final answer
    x = 6,537,418.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.