Home / 2,124,124.80-3,185,280-986,184.96

Finding the Fourth Proportional to 2,124,124.80, 3,185,280 and 986,184.96

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Solution

The fourth proportional to 2,124,124.80, 3,185,280 and 986,184.96 is: 1,478,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,124.80 : 3,185,280 = 986,184.96 : x
  2. Step 2: Convert to fraction form
    2,124,124.80/3,185,280 = 986,184.96/x
  3. Step 3: Cross multiply
    2,124,124.80x = 3,185,280 × 986,184.96
  4. Step 4: Simplify right side
    2,124,124.80x = 3,141,275,229,388.80
  5. Step 5: Solve for x
    x = 3,141,275,229,388.80/2,124,124.80
  6. Step 6: Final answer
    x = 1,478,856.25

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1.5x scale

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.