Home / 1,547,793.60-2,319,722.10-1,378,519.80

Finding the Fourth Proportional to 1,547,793.60, 2,319,722.10 and 1,378,519.80

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Solution

The fourth proportional to 1,547,793.60, 2,319,722.10 and 1,378,519.80 is: 2,066,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,793.60 : 2,319,722.10 = 1,378,519.80 : x
  2. Step 2: Convert to fraction form
    1,547,793.60/2,319,722.10 = 1,378,519.80/x
  3. Step 3: Cross multiply
    1,547,793.60x = 2,319,722.10 × 1,378,519.80
  4. Step 4: Simplify right side
    1,547,793.60x = 3,197,782,845,347.58
  5. Step 5: Solve for x
    x = 3,197,782,845,347.58/1,547,793.60
  6. Step 6: Final answer
    x = 2,066,026.66

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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.