Home / 1,898,242.19-2,619,564.00-1,038,800.40

Finding the Fourth Proportional to 1,898,242.19, 2,619,564.00 and 1,038,800.40

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Solution

The fourth proportional to 1,898,242.19, 2,619,564.00 and 1,038,800.40 is: 1,433,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,242.19 : 2,619,564.00 = 1,038,800.40 : x
  2. Step 2: Convert to fraction form
    1,898,242.19/2,619,564.00 = 1,038,800.40/x
  3. Step 3: Cross multiply
    1,898,242.19x = 2,619,564.00 × 1,038,800.40
  4. Step 4: Simplify right side
    1,898,242.19x = 2,721,204,117,306.73
  5. Step 5: Solve for x
    x = 2,721,204,117,306.73/1,898,242.19
  6. Step 6: Final answer
    x = 1,433,538.95

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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.