Home / 2,292,692.80-3,430,874.40-1,996,427.20

Finding the Fourth Proportional to 2,292,692.80, 3,430,874.40 and 1,996,427.20

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Solution

The fourth proportional to 2,292,692.80, 3,430,874.40 and 1,996,427.20 is: 2,987,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292,692.80 : 3,430,874.40 = 1,996,427.20 : x
  2. Step 2: Convert to fraction form
    2,292,692.80/3,430,874.40 = 1,996,427.20/x
  3. Step 3: Cross multiply
    2,292,692.80x = 3,430,874.40 × 1,996,427.20
  4. Step 4: Simplify right side
    2,292,692.80x = 6,849,490,971,943.68
  5. Step 5: Solve for x
    x = 6,849,490,971,943.68/2,292,692.80
  6. Step 6: Final answer
    x = 2,987,531.07

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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.