Home / 2,878,524.57-3,970,698.65-1,859,929.32

Finding the Fourth Proportional to 2,878,524.57, 3,970,698.65 and 1,859,929.32

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Solution

The fourth proportional to 2,878,524.57, 3,970,698.65 and 1,859,929.32 is: 2,565,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,524.57 : 3,970,698.65 = 1,859,929.32 : x
  2. Step 2: Convert to fraction form
    2,878,524.57/3,970,698.65 = 1,859,929.32/x
  3. Step 3: Cross multiply
    2,878,524.57x = 3,970,698.65 × 1,859,929.32
  4. Step 4: Simplify right side
    2,878,524.57x = 7,385,218,810,866.28
  5. Step 5: Solve for x
    x = 7,385,218,810,866.28/2,878,524.57
  6. Step 6: Final answer
    x = 2,565,626.47

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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.