Home / 1,920,190.86-2,649,943.89-1,104,394.77

Finding the Fourth Proportional to 1,920,190.86, 2,649,943.89 and 1,104,394.77

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Solution

The fourth proportional to 1,920,190.86, 2,649,943.89 and 1,104,394.77 is: 1,524,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,190.86 : 2,649,943.89 = 1,104,394.77 : x
  2. Step 2: Convert to fraction form
    1,920,190.86/2,649,943.89 = 1,104,394.77/x
  3. Step 3: Cross multiply
    1,920,190.86x = 2,649,943.89 × 1,104,394.77
  4. Step 4: Simplify right side
    1,920,190.86x = 2,926,584,172,909.46
  5. Step 5: Solve for x
    x = 2,926,584,172,909.46/1,920,190.86
  6. Step 6: Final answer
    x = 1,524,111.08

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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.