Home / 2,989,401.40-4,484,102.10-1,645,708.60

Finding the Fourth Proportional to 2,989,401.40, 4,484,102.10 and 1,645,708.60

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Solution

The fourth proportional to 2,989,401.40, 4,484,102.10 and 1,645,708.60 is: 2,468,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,401.40 : 4,484,102.10 = 1,645,708.60 : x
  2. Step 2: Convert to fraction form
    2,989,401.40/4,484,102.10 = 1,645,708.60/x
  3. Step 3: Cross multiply
    2,989,401.40x = 4,484,102.10 × 1,645,708.60
  4. Step 4: Simplify right side
    2,989,401.40x = 7,379,525,389,248.06
  5. Step 5: Solve for x
    x = 7,379,525,389,248.06/2,989,401.40
  6. Step 6: Final answer
    x = 2,468,562.90

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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.