Home / 4,912,802.40-7,369,203.60-3,485,128.80

Finding the Fourth Proportional to 4,912,802.40, 7,369,203.60 and 3,485,128.80

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Solution

The fourth proportional to 4,912,802.40, 7,369,203.60 and 3,485,128.80 is: 5,227,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,802.40 : 7,369,203.60 = 3,485,128.80 : x
  2. Step 2: Convert to fraction form
    4,912,802.40/7,369,203.60 = 3,485,128.80/x
  3. Step 3: Cross multiply
    4,912,802.40x = 7,369,203.60 × 3,485,128.80
  4. Step 4: Simplify right side
    4,912,802.40x = 25,682,623,699,423.68
  5. Step 5: Solve for x
    x = 25,682,623,699,423.68/4,912,802.40
  6. Step 6: Final answer
    x = 5,227,693.20

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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.