Home / 2,574,361.47-3,862,166.31-777,137.52

Finding the Fourth Proportional to 2,574,361.47, 3,862,166.31 and 777,137.52

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Solution

The fourth proportional to 2,574,361.47, 3,862,166.31 and 777,137.52 is: 1,165,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,361.47 : 3,862,166.31 = 777,137.52 : x
  2. Step 2: Convert to fraction form
    2,574,361.47/3,862,166.31 = 777,137.52/x
  3. Step 3: Cross multiply
    2,574,361.47x = 3,862,166.31 × 777,137.52
  4. Step 4: Simplify right side
    2,574,361.47x = 3,001,434,347,980.95
  5. Step 5: Solve for x
    x = 3,001,434,347,980.95/2,574,361.47
  6. Step 6: Final answer
    x = 1,165,894.68

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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.