Home / 1,998,303.90-2,757,492.67-1,127,090.58

Finding the Fourth Proportional to 1,998,303.90, 2,757,492.67 and 1,127,090.58

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Solution

The fourth proportional to 1,998,303.90, 2,757,492.67 and 1,127,090.58 is: 1,555,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,303.90 : 2,757,492.67 = 1,127,090.58 : x
  2. Step 2: Convert to fraction form
    1,998,303.90/2,757,492.67 = 1,127,090.58/x
  3. Step 3: Cross multiply
    1,998,303.90x = 2,757,492.67 × 1,127,090.58
  4. Step 4: Simplify right side
    1,998,303.90x = 3,107,944,001,731.02
  5. Step 5: Solve for x
    x = 3,107,944,001,731.02/1,998,303.90
  6. Step 6: Final answer
    x = 1,555,290.97

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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.