Home / 3,430,205.40-5,141,621.70-1,299,466.20

Finding the Fourth Proportional to 3,430,205.40, 5,141,621.70 and 1,299,466.20

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Solution

The fourth proportional to 3,430,205.40, 5,141,621.70 and 1,299,466.20 is: 1,947,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,205.40 : 5,141,621.70 = 1,299,466.20 : x
  2. Step 2: Convert to fraction form
    3,430,205.40/5,141,621.70 = 1,299,466.20/x
  3. Step 3: Cross multiply
    3,430,205.40x = 5,141,621.70 × 1,299,466.20
  4. Step 4: Simplify right side
    3,430,205.40x = 6,681,363,612,336.54
  5. Step 5: Solve for x
    x = 6,681,363,612,336.54/3,430,205.40
  6. Step 6: Final answer
    x = 1,947,802.78

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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.