Home / 2,872,012.35-3,963,322.71-1,565,275.32

Finding the Fourth Proportional to 2,872,012.35, 3,963,322.71 and 1,565,275.32

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Solution

The fourth proportional to 2,872,012.35, 3,963,322.71 and 1,565,275.32 is: 2,160,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,012.35 : 3,963,322.71 = 1,565,275.32 : x
  2. Step 2: Convert to fraction form
    2,872,012.35/3,963,322.71 = 1,565,275.32/x
  3. Step 3: Cross multiply
    2,872,012.35x = 3,963,322.71 × 1,565,275.32
  4. Step 4: Simplify right side
    2,872,012.35x = 6,203,691,223,158.52
  5. Step 5: Solve for x
    x = 6,203,691,223,158.52/2,872,012.35
  6. Step 6: Final answer
    x = 2,160,050.33

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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.