Home / 2,949,393.47-4,424,328.95-819,477.81

Finding the Fourth Proportional to 2,949,393.47, 4,424,328.95 and 819,477.81

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Solution

The fourth proportional to 2,949,393.47, 4,424,328.95 and 819,477.81 is: 1,229,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,393.47 : 4,424,328.95 = 819,477.81 : x
  2. Step 2: Convert to fraction form
    2,949,393.47/4,424,328.95 = 819,477.81/x
  3. Step 3: Cross multiply
    2,949,393.47x = 4,424,328.95 × 819,477.81
  4. Step 4: Simplify right side
    2,949,393.47x = 3,625,639,394,568.21
  5. Step 5: Solve for x
    x = 3,625,639,394,568.21/2,949,393.47
  6. Step 6: Final answer
    x = 1,229,283.05

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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.