Home / 1,909,023.42-2,863,386.63-1,109,794.80

Finding the Fourth Proportional to 1,909,023.42, 2,863,386.63 and 1,109,794.80

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Solution

The fourth proportional to 1,909,023.42, 2,863,386.63 and 1,109,794.80 is: 1,664,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,023.42 : 2,863,386.63 = 1,109,794.80 : x
  2. Step 2: Convert to fraction form
    1,909,023.42/2,863,386.63 = 1,109,794.80/x
  3. Step 3: Cross multiply
    1,909,023.42x = 2,863,386.63 × 1,109,794.80
  4. Step 4: Simplify right side
    1,909,023.42x = 3,177,771,592,363.52
  5. Step 5: Solve for x
    x = 3,177,771,592,363.52/1,909,023.42
  6. Step 6: Final answer
    x = 1,664,605.87

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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.