Home / 2,011,644.80-3,020,966.40-1,948,659.20

Finding the Fourth Proportional to 2,011,644.80, 3,020,966.40 and 1,948,659.20

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Solution

The fourth proportional to 2,011,644.80, 3,020,966.40 and 1,948,659.20 is: 2,926,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,644.80 : 3,020,966.40 = 1,948,659.20 : x
  2. Step 2: Convert to fraction form
    2,011,644.80/3,020,966.40 = 1,948,659.20/x
  3. Step 3: Cross multiply
    2,011,644.80x = 3,020,966.40 × 1,948,659.20
  4. Step 4: Simplify right side
    2,011,644.80x = 5,886,833,968,250.88
  5. Step 5: Solve for x
    x = 5,886,833,968,250.88/2,011,644.80
  6. Step 6: Final answer
    x = 2,926,378.44

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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.