Home / 1,996,335.40-2,994,503.10-1,978,620.70

Finding the Fourth Proportional to 1,996,335.40, 2,994,503.10 and 1,978,620.70

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Solution

The fourth proportional to 1,996,335.40, 2,994,503.10 and 1,978,620.70 is: 2,967,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,335.40 : 2,994,503.10 = 1,978,620.70 : x
  2. Step 2: Convert to fraction form
    1,996,335.40/2,994,503.10 = 1,978,620.70/x
  3. Step 3: Cross multiply
    1,996,335.40x = 2,994,503.10 × 1,978,620.70
  4. Step 4: Simplify right side
    1,996,335.40x = 5,924,985,819,874.17
  5. Step 5: Solve for x
    x = 5,924,985,819,874.17/1,996,335.40
  6. Step 6: Final answer
    x = 2,967,931.05

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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.