Home / 1,549,143.32-2,136,954.66-1,439,542.40

Finding the Fourth Proportional to 1,549,143.32, 2,136,954.66 and 1,439,542.40

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Solution

The fourth proportional to 1,549,143.32, 2,136,954.66 and 1,439,542.40 is: 1,985,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,143.32 : 2,136,954.66 = 1,439,542.40 : x
  2. Step 2: Convert to fraction form
    1,549,143.32/2,136,954.66 = 1,439,542.40/x
  3. Step 3: Cross multiply
    1,549,143.32x = 2,136,954.66 × 1,439,542.40
  4. Step 4: Simplify right side
    1,549,143.32x = 3,076,236,839,947.58
  5. Step 5: Solve for x
    x = 3,076,236,839,947.58/1,549,143.32
  6. Step 6: Final answer
    x = 1,985,766.46

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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.