Home / 1,917,265.20-2,875,897.80-1,210,426.80

Finding the Fourth Proportional to 1,917,265.20, 2,875,897.80 and 1,210,426.80

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Solution

The fourth proportional to 1,917,265.20, 2,875,897.80 and 1,210,426.80 is: 1,815,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,265.20 : 2,875,897.80 = 1,210,426.80 : x
  2. Step 2: Convert to fraction form
    1,917,265.20/2,875,897.80 = 1,210,426.80/x
  3. Step 3: Cross multiply
    1,917,265.20x = 2,875,897.80 × 1,210,426.80
  4. Step 4: Simplify right side
    1,917,265.20x = 3,481,063,771,181.04
  5. Step 5: Solve for x
    x = 3,481,063,771,181.04/1,917,265.20
  6. Step 6: Final answer
    x = 1,815,640.20

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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.