Home / 5,129,864.77-7,713,254.55-4,729,949.41

Finding the Fourth Proportional to 5,129,864.77, 7,713,254.55 and 4,729,949.41

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Solution

The fourth proportional to 5,129,864.77, 7,713,254.55 and 4,729,949.41 is: 7,111,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,864.77 : 7,713,254.55 = 4,729,949.41 : x
  2. Step 2: Convert to fraction form
    5,129,864.77/7,713,254.55 = 4,729,949.41/x
  3. Step 3: Cross multiply
    5,129,864.77x = 7,713,254.55 × 4,729,949.41
  4. Step 4: Simplify right side
    5,129,864.77x = 36,483,303,769,386.05
  5. Step 5: Solve for x
    x = 36,483,303,769,386.05/5,129,864.77
  6. Step 6: Final answer
    x = 7,111,942.60

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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.