Home / 1,791,103.44-2,470,923.10-1,210,139.04

Finding the Fourth Proportional to 1,791,103.44, 2,470,923.10 and 1,210,139.04

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Solution

The fourth proportional to 1,791,103.44, 2,470,923.10 and 1,210,139.04 is: 1,669,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,103.44 : 2,470,923.10 = 1,210,139.04 : x
  2. Step 2: Convert to fraction form
    1,791,103.44/2,470,923.10 = 1,210,139.04/x
  3. Step 3: Cross multiply
    1,791,103.44x = 2,470,923.10 × 1,210,139.04
  4. Step 4: Simplify right side
    1,791,103.44x = 2,990,160,508,147.82
  5. Step 5: Solve for x
    x = 2,990,160,508,147.82/1,791,103.44
  6. Step 6: Final answer
    x = 1,669,451.60

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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.