Home / 5,106,786.19-7,047,363.21-2,814,985.15

Finding the Fourth Proportional to 5,106,786.19, 7,047,363.21 and 2,814,985.15

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Solution

The fourth proportional to 5,106,786.19, 7,047,363.21 and 2,814,985.15 is: 3,884,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,786.19 : 7,047,363.21 = 2,814,985.15 : x
  2. Step 2: Convert to fraction form
    5,106,786.19/7,047,363.21 = 2,814,985.15/x
  3. Step 3: Cross multiply
    5,106,786.19x = 7,047,363.21 × 2,814,985.15
  4. Step 4: Simplify right side
    5,106,786.19x = 19,838,222,782,806.33
  5. Step 5: Solve for x
    x = 19,838,222,782,806.33/5,106,786.19
  6. Step 6: Final answer
    x = 3,884,678.55

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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.