Home / 1,955,118.80-2,931,803.40-889,612.40

Finding the Fourth Proportional to 1,955,118.80, 2,931,803.40 and 889,612.40

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Solution

The fourth proportional to 1,955,118.80, 2,931,803.40 and 889,612.40 is: 1,334,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,118.80 : 2,931,803.40 = 889,612.40 : x
  2. Step 2: Convert to fraction form
    1,955,118.80/2,931,803.40 = 889,612.40/x
  3. Step 3: Cross multiply
    1,955,118.80x = 2,931,803.40 × 889,612.40
  4. Step 4: Simplify right side
    1,955,118.80x = 2,608,168,659,002.16
  5. Step 5: Solve for x
    x = 2,608,168,659,002.16/1,955,118.80
  6. Step 6: Final answer
    x = 1,334,020.55

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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.