Home / 2,685,838.19-4,026,326.89-979,581.45

Finding the Fourth Proportional to 2,685,838.19, 4,026,326.89 and 979,581.45

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Solution

The fourth proportional to 2,685,838.19, 4,026,326.89 and 979,581.45 is: 1,468,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,838.19 : 4,026,326.89 = 979,581.45 : x
  2. Step 2: Convert to fraction form
    2,685,838.19/4,026,326.89 = 979,581.45/x
  3. Step 3: Cross multiply
    2,685,838.19x = 4,026,326.89 × 979,581.45
  4. Step 4: Simplify right side
    2,685,838.19x = 3,944,115,130,631.24
  5. Step 5: Solve for x
    x = 3,944,115,130,631.24/2,685,838.19
  6. Step 6: Final answer
    x = 1,468,485.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.