Home / 2,692,254.40-4,038,381.60-1,936,427.20

Finding the Fourth Proportional to 2,692,254.40, 4,038,381.60 and 1,936,427.20

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Solution

The fourth proportional to 2,692,254.40, 4,038,381.60 and 1,936,427.20 is: 2,904,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,254.40 : 4,038,381.60 = 1,936,427.20 : x
  2. Step 2: Convert to fraction form
    2,692,254.40/4,038,381.60 = 1,936,427.20/x
  3. Step 3: Cross multiply
    2,692,254.40x = 4,038,381.60 × 1,936,427.20
  4. Step 4: Simplify right side
    2,692,254.40x = 7,820,031,974,219.52
  5. Step 5: Solve for x
    x = 7,820,031,974,219.52/2,692,254.40
  6. Step 6: Final answer
    x = 2,904,640.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.