Home / 3,120,580.80-4,680,871.20-1,624,478.40

Finding the Fourth Proportional to 3,120,580.80, 4,680,871.20 and 1,624,478.40

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Solution

The fourth proportional to 3,120,580.80, 4,680,871.20 and 1,624,478.40 is: 2,436,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,580.80 : 4,680,871.20 = 1,624,478.40 : x
  2. Step 2: Convert to fraction form
    3,120,580.80/4,680,871.20 = 1,624,478.40/x
  3. Step 3: Cross multiply
    3,120,580.80x = 4,680,871.20 × 1,624,478.40
  4. Step 4: Simplify right side
    3,120,580.80x = 7,603,974,157,582.08
  5. Step 5: Solve for x
    x = 7,603,974,157,582.08/3,120,580.80
  6. Step 6: Final answer
    x = 2,436,717.60

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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.