Home / 3,426,612.40-5,139,918.60-902,522.80

Finding the Fourth Proportional to 3,426,612.40, 5,139,918.60 and 902,522.80

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Solution

The fourth proportional to 3,426,612.40, 5,139,918.60 and 902,522.80 is: 1,353,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,612.40 : 5,139,918.60 = 902,522.80 : x
  2. Step 2: Convert to fraction form
    3,426,612.40/5,139,918.60 = 902,522.80/x
  3. Step 3: Cross multiply
    3,426,612.40x = 5,139,918.60 × 902,522.80
  4. Step 4: Simplify right side
    3,426,612.40x = 4,638,893,726,644.08
  5. Step 5: Solve for x
    x = 4,638,893,726,644.08/3,426,612.40
  6. Step 6: Final answer
    x = 1,353,784.20

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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.