Home / 3,112,916.80-4,670,031.30-983,216.20

Finding the Fourth Proportional to 3,112,916.80, 4,670,031.30 and 983,216.20

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Solution

The fourth proportional to 3,112,916.80, 4,670,031.30 and 983,216.20 is: 1,475,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,916.80 : 4,670,031.30 = 983,216.20 : x
  2. Step 2: Convert to fraction form
    3,112,916.80/4,670,031.30 = 983,216.20/x
  3. Step 3: Cross multiply
    3,112,916.80x = 4,670,031.30 × 983,216.20
  4. Step 4: Simplify right side
    3,112,916.80x = 4,591,650,428,667.06
  5. Step 5: Solve for x
    x = 4,591,650,428,667.06/3,112,916.80
  6. Step 6: Final answer
    x = 1,475,031.53

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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.