Home / 1,970,263.94-2,955,395.93-1,521,639.18

Finding the Fourth Proportional to 1,970,263.94, 2,955,395.93 and 1,521,639.18

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Solution

The fourth proportional to 1,970,263.94, 2,955,395.93 and 1,521,639.18 is: 2,282,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,263.94 : 2,955,395.93 = 1,521,639.18 : x
  2. Step 2: Convert to fraction form
    1,970,263.94/2,955,395.93 = 1,521,639.18/x
  3. Step 3: Cross multiply
    1,970,263.94x = 2,955,395.93 × 1,521,639.18
  4. Step 4: Simplify right side
    1,970,263.94x = 4,497,046,231,892.34
  5. Step 5: Solve for x
    x = 4,497,046,231,892.34/1,970,263.94
  6. Step 6: Final answer
    x = 2,282,458.79

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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.