Home / 5,353,356.21-7,387,640.95-2,905,968.92

Finding the Fourth Proportional to 5,353,356.21, 7,387,640.95 and 2,905,968.92

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Solution

The fourth proportional to 5,353,356.21, 7,387,640.95 and 2,905,968.92 is: 4,010,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353,356.21 : 7,387,640.95 = 2,905,968.92 : x
  2. Step 2: Convert to fraction form
    5,353,356.21/7,387,640.95 = 2,905,968.92/x
  3. Step 3: Cross multiply
    5,353,356.21x = 7,387,640.95 × 2,905,968.92
  4. Step 4: Simplify right side
    5,353,356.21x = 21,468,254,976,319.80
  5. Step 5: Solve for x
    x = 21,468,254,976,319.80/5,353,356.21
  6. Step 6: Final answer
    x = 4,010,242.20

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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.