Home / 3,780,862.80-5,671,812.60-1,256,254.80

Finding the Fourth Proportional to 3,780,862.80, 5,671,812.60 and 1,256,254.80

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Solution

The fourth proportional to 3,780,862.80, 5,671,812.60 and 1,256,254.80 is: 1,884,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,862.80 : 5,671,812.60 = 1,256,254.80 : x
  2. Step 2: Convert to fraction form
    3,780,862.80/5,671,812.60 = 1,256,254.80/x
  3. Step 3: Cross multiply
    3,780,862.80x = 5,671,812.60 × 1,256,254.80
  4. Step 4: Simplify right side
    3,780,862.80x = 7,125,241,803,450.48
  5. Step 5: Solve for x
    x = 7,125,241,803,450.48/3,780,862.80
  6. Step 6: Final answer
    x = 1,884,554.45

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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.