Home / 1,898,226.03-2,619,547.11-1,038,778.77

Finding the Fourth Proportional to 1,898,226.03, 2,619,547.11 and 1,038,778.77

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Solution

The fourth proportional to 1,898,226.03, 2,619,547.11 and 1,038,778.77 is: 1,433,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,226.03 : 2,619,547.11 = 1,038,778.77 : x
  2. Step 2: Convert to fraction form
    1,898,226.03/2,619,547.11 = 1,038,778.77/x
  3. Step 3: Cross multiply
    1,898,226.03x = 2,619,547.11 × 1,038,778.77
  4. Step 4: Simplify right side
    1,898,226.03x = 2,721,129,924,882.85
  5. Step 5: Solve for x
    x = 2,721,129,924,882.85/1,898,226.03
  6. Step 6: Final answer
    x = 1,433,512.07

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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.