Home / 1,634,113.80-2,446,332.30-1,215,246.60

Finding the Fourth Proportional to 1,634,113.80, 2,446,332.30 and 1,215,246.60

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Solution

The fourth proportional to 1,634,113.80, 2,446,332.30 and 1,215,246.60 is: 1,819,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,113.80 : 2,446,332.30 = 1,215,246.60 : x
  2. Step 2: Convert to fraction form
    1,634,113.80/2,446,332.30 = 1,215,246.60/x
  3. Step 3: Cross multiply
    1,634,113.80x = 2,446,332.30 × 1,215,246.60
  4. Step 4: Simplify right side
    1,634,113.80x = 2,972,897,010,045.18
  5. Step 5: Solve for x
    x = 2,972,897,010,045.18/1,634,113.80
  6. Step 6: Final answer
    x = 1,819,271.71

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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.