Home / 3,162,915-4,365,055.98-1,955,924.28

Finding the Fourth Proportional to 3,162,915, 4,365,055.98 and 1,955,924.28

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Solution

The fourth proportional to 3,162,915, 4,365,055.98 and 1,955,924.28 is: 2,699,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,915 : 4,365,055.98 = 1,955,924.28 : x
  2. Step 2: Convert to fraction form
    3,162,915/4,365,055.98 = 1,955,924.28/x
  3. Step 3: Cross multiply
    3,162,915x = 4,365,055.98 × 1,955,924.28
  4. Step 4: Simplify right side
    3,162,915x = 8,537,718,974,841.20
  5. Step 5: Solve for x
    x = 8,537,718,974,841.20/3,162,915
  6. Step 6: Final answer
    x = 2,699,319.77

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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.