Home / 1,974,003.21-2,724,143.21-1,158,220.77

Finding the Fourth Proportional to 1,974,003.21, 2,724,143.21 and 1,158,220.77

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Solution

The fourth proportional to 1,974,003.21, 2,724,143.21 and 1,158,220.77 is: 1,598,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,003.21 : 2,724,143.21 = 1,158,220.77 : x
  2. Step 2: Convert to fraction form
    1,974,003.21/2,724,143.21 = 1,158,220.77/x
  3. Step 3: Cross multiply
    1,974,003.21x = 2,724,143.21 × 1,158,220.77
  4. Step 4: Simplify right side
    1,974,003.21x = 3,155,159,246,276.47
  5. Step 5: Solve for x
    x = 3,155,159,246,276.47/1,974,003.21
  6. Step 6: Final answer
    x = 1,598,355.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.