Home / 1,974,514.80-2,960,897.40-909,883.20

Finding the Fourth Proportional to 1,974,514.80, 2,960,897.40 and 909,883.20

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Solution

The fourth proportional to 1,974,514.80, 2,960,897.40 and 909,883.20 is: 1,364,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,514.80 : 2,960,897.40 = 909,883.20 : x
  2. Step 2: Convert to fraction form
    1,974,514.80/2,960,897.40 = 909,883.20/x
  3. Step 3: Cross multiply
    1,974,514.80x = 2,960,897.40 × 909,883.20
  4. Step 4: Simplify right side
    1,974,514.80x = 2,694,070,801,183.68
  5. Step 5: Solve for x
    x = 2,694,070,801,183.68/1,974,514.80
  6. Step 6: Final answer
    x = 1,364,421.68

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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.