Home / 3,430,440-5,145,880.32-906,030.72

Finding the Fourth Proportional to 3,430,440, 5,145,880.32 and 906,030.72

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Solution

The fourth proportional to 3,430,440, 5,145,880.32 and 906,030.72 is: 1,359,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,440 : 5,145,880.32 = 906,030.72 : x
  2. Step 2: Convert to fraction form
    3,430,440/5,145,880.32 = 906,030.72/x
  3. Step 3: Cross multiply
    3,430,440x = 5,145,880.32 × 906,030.72
  4. Step 4: Simplify right side
    3,430,440x = 4,662,325,651,363.43
  5. Step 5: Solve for x
    x = 4,662,325,651,363.43/3,430,440
  6. Step 6: Final answer
    x = 1,359,104.27

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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.