Home / 1,996,029.80-2,990,108.10-1,194,931.70

Finding the Fourth Proportional to 1,996,029.80, 2,990,108.10 and 1,194,931.70

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Solution

The fourth proportional to 1,996,029.80, 2,990,108.10 and 1,194,931.70 is: 1,790,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,029.80 : 2,990,108.10 = 1,194,931.70 : x
  2. Step 2: Convert to fraction form
    1,996,029.80/2,990,108.10 = 1,194,931.70/x
  3. Step 3: Cross multiply
    1,996,029.80x = 2,990,108.10 × 1,194,931.70
  4. Step 4: Simplify right side
    1,996,029.80x = 3,572,974,955,116.77
  5. Step 5: Solve for x
    x = 3,572,974,955,116.77/1,996,029.80
  6. Step 6: Final answer
    x = 1,790,040.89

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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.