Home / 1,996,501.60-2,994,752.40-1,642,207.60

Finding the Fourth Proportional to 1,996,501.60, 2,994,752.40 and 1,642,207.60

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Solution

The fourth proportional to 1,996,501.60, 2,994,752.40 and 1,642,207.60 is: 2,463,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,501.60 : 2,994,752.40 = 1,642,207.60 : x
  2. Step 2: Convert to fraction form
    1,996,501.60/2,994,752.40 = 1,642,207.60/x
  3. Step 3: Cross multiply
    1,996,501.60x = 2,994,752.40 × 1,642,207.60
  4. Step 4: Simplify right side
    1,996,501.60x = 4,918,005,151,398.24
  5. Step 5: Solve for x
    x = 4,918,005,151,398.24/1,996,501.60
  6. Step 6: Final answer
    x = 2,463,311.40

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Similar ratio
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1.5x scale

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.