Home / 1,998,911.43-2,758,498.26-1,127,931.03

Finding the Fourth Proportional to 1,998,911.43, 2,758,498.26 and 1,127,931.03

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Solution

The fourth proportional to 1,998,911.43, 2,758,498.26 and 1,127,931.03 is: 1,556,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,911.43 : 2,758,498.26 = 1,127,931.03 : x
  2. Step 2: Convert to fraction form
    1,998,911.43/2,758,498.26 = 1,127,931.03/x
  3. Step 3: Cross multiply
    1,998,911.43x = 2,758,498.26 × 1,127,931.03
  4. Step 4: Simplify right side
    1,998,911.43x = 3,111,395,783,655.01
  5. Step 5: Solve for x
    x = 3,111,395,783,655.01/1,998,911.43
  6. Step 6: Final answer
    x = 1,556,545.10

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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.