Home / 3,113,071.20-4,669,606.80-869,205.60

Finding the Fourth Proportional to 3,113,071.20, 4,669,606.80 and 869,205.60

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Solution

The fourth proportional to 3,113,071.20, 4,669,606.80 and 869,205.60 is: 1,303,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,071.20 : 4,669,606.80 = 869,205.60 : x
  2. Step 2: Convert to fraction form
    3,113,071.20/4,669,606.80 = 869,205.60/x
  3. Step 3: Cross multiply
    3,113,071.20x = 4,669,606.80 × 869,205.60
  4. Step 4: Simplify right side
    3,113,071.20x = 4,058,848,380,358.08
  5. Step 5: Solve for x
    x = 4,058,848,380,358.08/3,113,071.20
  6. Step 6: Final answer
    x = 1,303,808.40

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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.