Home / 2,190,124.16-3,022,403.06-1,210,085.74

Finding the Fourth Proportional to 2,190,124.16, 3,022,403.06 and 1,210,085.74

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Solution

The fourth proportional to 2,190,124.16, 3,022,403.06 and 1,210,085.74 is: 1,669,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,124.16 : 3,022,403.06 = 1,210,085.74 : x
  2. Step 2: Convert to fraction form
    2,190,124.16/3,022,403.06 = 1,210,085.74/x
  3. Step 3: Cross multiply
    2,190,124.16x = 3,022,403.06 × 1,210,085.74
  4. Step 4: Simplify right side
    2,190,124.16x = 3,657,366,845,983.75
  5. Step 5: Solve for x
    x = 3,657,366,845,983.75/2,190,124.16
  6. Step 6: Final answer
    x = 1,669,935.85

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Double scale
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1.5x scale

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.