Home / 1,929,645-2,662,910.74-1,070,337.48

Finding the Fourth Proportional to 1,929,645, 2,662,910.74 and 1,070,337.48

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Solution

The fourth proportional to 1,929,645, 2,662,910.74 and 1,070,337.48 is: 1,477,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,645 : 2,662,910.74 = 1,070,337.48 : x
  2. Step 2: Convert to fraction form
    1,929,645/2,662,910.74 = 1,070,337.48/x
  3. Step 3: Cross multiply
    1,929,645x = 2,662,910.74 × 1,070,337.48
  4. Step 4: Simplify right side
    1,929,645x = 2,850,213,170,916.54
  5. Step 5: Solve for x
    x = 2,850,213,170,916.54/1,929,645
  6. Step 6: Final answer
    x = 1,477,066.08

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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.