Home / 1,985,297.60-2,739,953.88-1,169,459.12

Finding the Fourth Proportional to 1,985,297.60, 2,739,953.88 and 1,169,459.12

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Solution

The fourth proportional to 1,985,297.60, 2,739,953.88 and 1,169,459.12 is: 1,613,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,297.60 : 2,739,953.88 = 1,169,459.12 : x
  2. Step 2: Convert to fraction form
    1,985,297.60/2,739,953.88 = 1,169,459.12/x
  3. Step 3: Cross multiply
    1,985,297.60x = 2,739,953.88 × 1,169,459.12
  4. Step 4: Simplify right side
    1,985,297.60x = 3,204,264,053,345.39
  5. Step 5: Solve for x
    x = 3,204,264,053,345.39/1,985,297.60
  6. Step 6: Final answer
    x = 1,613,996.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.