Home / 2,157,182.58-2,976,908.46-1,190,312.10

Finding the Fourth Proportional to 2,157,182.58, 2,976,908.46 and 1,190,312.10

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Solution

The fourth proportional to 2,157,182.58, 2,976,908.46 and 1,190,312.10 is: 1,642,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,182.58 : 2,976,908.46 = 1,190,312.10 : x
  2. Step 2: Convert to fraction form
    2,157,182.58/2,976,908.46 = 1,190,312.10/x
  3. Step 3: Cross multiply
    2,157,182.58x = 2,976,908.46 × 1,190,312.10
  4. Step 4: Simplify right side
    2,157,182.58x = 3,543,450,160,530.37
  5. Step 5: Solve for x
    x = 3,543,450,160,530.37/2,157,182.58
  6. Step 6: Final answer
    x = 1,642,628.77

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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.