Home / 1,915,485.53-2,643,489.15-1,056,044.48

Finding the Fourth Proportional to 1,915,485.53, 2,643,489.15 and 1,056,044.48

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Solution

The fourth proportional to 1,915,485.53, 2,643,489.15 and 1,056,044.48 is: 1,457,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,485.53 : 2,643,489.15 = 1,056,044.48 : x
  2. Step 2: Convert to fraction form
    1,915,485.53/2,643,489.15 = 1,056,044.48/x
  3. Step 3: Cross multiply
    1,915,485.53x = 2,643,489.15 × 1,056,044.48
  4. Step 4: Simplify right side
    1,915,485.53x = 2,791,642,124,797.39
  5. Step 5: Solve for x
    x = 2,791,642,124,797.39/1,915,485.53
  6. Step 6: Final answer
    x = 1,457,407.05

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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.