Home / 1,929,471.45-2,662,834.28-1,070,308.50

Finding the Fourth Proportional to 1,929,471.45, 2,662,834.28 and 1,070,308.50

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Solution

The fourth proportional to 1,929,471.45, 2,662,834.28 and 1,070,308.50 is: 1,477,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,471.45 : 2,662,834.28 = 1,070,308.50 : x
  2. Step 2: Convert to fraction form
    1,929,471.45/2,662,834.28 = 1,070,308.50/x
  3. Step 3: Cross multiply
    1,929,471.45x = 2,662,834.28 × 1,070,308.50
  4. Step 4: Simplify right side
    1,929,471.45x = 2,850,054,158,623.84
  5. Step 5: Solve for x
    x = 2,850,054,158,623.84/1,929,471.45
  6. Step 6: Final answer
    x = 1,477,116.52

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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.