Home / 1,947,070.08-2,686,956.57-1,087,630.34

Finding the Fourth Proportional to 1,947,070.08, 2,686,956.57 and 1,087,630.34

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Solution

The fourth proportional to 1,947,070.08, 2,686,956.57 and 1,087,630.34 is: 1,500,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,070.08 : 2,686,956.57 = 1,087,630.34 : x
  2. Step 2: Convert to fraction form
    1,947,070.08/2,686,956.57 = 1,087,630.34/x
  3. Step 3: Cross multiply
    1,947,070.08x = 2,686,956.57 × 1,087,630.34
  4. Step 4: Simplify right side
    1,947,070.08x = 2,922,415,474,359.55
  5. Step 5: Solve for x
    x = 2,922,415,474,359.55/1,947,070.08
  6. Step 6: Final answer
    x = 1,500,929.78

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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.