Home / 2,473,139.20-3,709,708.80-1,213,427.20

Finding the Fourth Proportional to 2,473,139.20, 3,709,708.80 and 1,213,427.20

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Solution

The fourth proportional to 2,473,139.20, 3,709,708.80 and 1,213,427.20 is: 1,820,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473,139.20 : 3,709,708.80 = 1,213,427.20 : x
  2. Step 2: Convert to fraction form
    2,473,139.20/3,709,708.80 = 1,213,427.20/x
  3. Step 3: Cross multiply
    2,473,139.20x = 3,709,708.80 × 1,213,427.20
  4. Step 4: Simplify right side
    2,473,139.20x = 4,501,461,561,999.36
  5. Step 5: Solve for x
    x = 4,501,461,561,999.36/2,473,139.20
  6. Step 6: Final answer
    x = 1,820,140.80

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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.