Home / 2,986,328.25-4,479,509.39-742,466.25

Finding the Fourth Proportional to 2,986,328.25, 4,479,509.39 and 742,466.25

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Solution

The fourth proportional to 2,986,328.25, 4,479,509.39 and 742,466.25 is: 1,113,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,328.25 : 4,479,509.39 = 742,466.25 : x
  2. Step 2: Convert to fraction form
    2,986,328.25/4,479,509.39 = 742,466.25/x
  3. Step 3: Cross multiply
    2,986,328.25x = 4,479,509.39 × 742,466.25
  4. Step 4: Simplify right side
    2,986,328.25x = 3,325,884,534,920.76
  5. Step 5: Solve for x
    x = 3,325,884,534,920.76/2,986,328.25
  6. Step 6: Final answer
    x = 1,113,703.60

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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.