Home / 1,909,293.80-2,863,940.70-1,649,478.20

Finding the Fourth Proportional to 1,909,293.80, 2,863,940.70 and 1,649,478.20

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Solution

The fourth proportional to 1,909,293.80, 2,863,940.70 and 1,649,478.20 is: 2,474,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,293.80 : 2,863,940.70 = 1,649,478.20 : x
  2. Step 2: Convert to fraction form
    1,909,293.80/2,863,940.70 = 1,649,478.20/x
  3. Step 3: Cross multiply
    1,909,293.80x = 2,863,940.70 × 1,649,478.20
  4. Step 4: Simplify right side
    1,909,293.80x = 4,724,007,750,742.74
  5. Step 5: Solve for x
    x = 4,724,007,750,742.74/1,909,293.80
  6. Step 6: Final answer
    x = 2,474,217.30

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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.