Home / 2,124,175.40-3,185,820.30-776,972.60

Finding the Fourth Proportional to 2,124,175.40, 3,185,820.30 and 776,972.60

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Solution

The fourth proportional to 2,124,175.40, 3,185,820.30 and 776,972.60 is: 1,165,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,175.40 : 3,185,820.30 = 776,972.60 : x
  2. Step 2: Convert to fraction form
    2,124,175.40/3,185,820.30 = 776,972.60/x
  3. Step 3: Cross multiply
    2,124,175.40x = 3,185,820.30 × 776,972.60
  4. Step 4: Simplify right side
    2,124,175.40x = 2,475,295,081,623.78
  5. Step 5: Solve for x
    x = 2,475,295,081,623.78/2,124,175.40
  6. Step 6: Final answer
    x = 1,165,296.93

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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.