Home / 1,897,988.25-2,619,223.70-1,038,548.49

Finding the Fourth Proportional to 1,897,988.25, 2,619,223.70 and 1,038,548.49

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Solution

The fourth proportional to 1,897,988.25, 2,619,223.70 and 1,038,548.49 is: 1,433,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,988.25 : 2,619,223.70 = 1,038,548.49 : x
  2. Step 2: Convert to fraction form
    1,897,988.25/2,619,223.70 = 1,038,548.49/x
  3. Step 3: Cross multiply
    1,897,988.25x = 2,619,223.70 × 1,038,548.49
  4. Step 4: Simplify right side
    1,897,988.25x = 2,720,190,803,592.38
  5. Step 5: Solve for x
    x = 2,720,190,803,592.38/1,897,988.25
  6. Step 6: Final answer
    x = 1,433,196.86

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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.