Home / 1,898,225.28-2,619,546.08-1,038,778.02

Finding the Fourth Proportional to 1,898,225.28, 2,619,546.08 and 1,038,778.02

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Solution

The fourth proportional to 1,898,225.28, 2,619,546.08 and 1,038,778.02 is: 1,433,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,225.28 : 2,619,546.08 = 1,038,778.02 : x
  2. Step 2: Convert to fraction form
    1,898,225.28/2,619,546.08 = 1,038,778.02/x
  3. Step 3: Cross multiply
    1,898,225.28x = 2,619,546.08 × 1,038,778.02
  4. Step 4: Simplify right side
    1,898,225.28x = 2,721,126,885,087.27
  5. Step 5: Solve for x
    x = 2,721,126,885,087.27/1,898,225.28
  6. Step 6: Final answer
    x = 1,433,511.03

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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.