Home / 2,162,329.06-2,983,518.08-1,290,993.98

Finding the Fourth Proportional to 2,162,329.06, 2,983,518.08 and 1,290,993.98

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Solution

The fourth proportional to 2,162,329.06, 2,983,518.08 and 1,290,993.98 is: 1,781,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,329.06 : 2,983,518.08 = 1,290,993.98 : x
  2. Step 2: Convert to fraction form
    2,162,329.06/2,983,518.08 = 1,290,993.98/x
  3. Step 3: Cross multiply
    2,162,329.06x = 2,983,518.08 × 1,290,993.98
  4. Step 4: Simplify right side
    2,162,329.06x = 3,851,703,880,501.16
  5. Step 5: Solve for x
    x = 3,851,703,880,501.16/2,162,329.06
  6. Step 6: Final answer
    x = 1,781,275.55

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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.