Home / 6,281,281.40-9,421,922.10-4,128,945.35

Finding the Fourth Proportional to 6,281,281.40, 9,421,922.10 and 4,128,945.35

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Solution

The fourth proportional to 6,281,281.40, 9,421,922.10 and 4,128,945.35 is: 6,193,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281,281.40 : 9,421,922.10 = 4,128,945.35 : x
  2. Step 2: Convert to fraction form
    6,281,281.40/9,421,922.10 = 4,128,945.35/x
  3. Step 3: Cross multiply
    6,281,281.40x = 9,421,922.10 × 4,128,945.35
  4. Step 4: Simplify right side
    6,281,281.40x = 38,902,601,442,857.23
  5. Step 5: Solve for x
    x = 38,902,601,442,857.23/6,281,281.40
  6. Step 6: Final answer
    x = 6,193,418.03

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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.