Home / 5,426,306.70-8,140,626.45-1,640,172.30

Finding the Fourth Proportional to 5,426,306.70, 8,140,626.45 and 1,640,172.30

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Solution

The fourth proportional to 5,426,306.70, 8,140,626.45 and 1,640,172.30 is: 2,460,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,306.70 : 8,140,626.45 = 1,640,172.30 : x
  2. Step 2: Convert to fraction form
    5,426,306.70/8,140,626.45 = 1,640,172.30/x
  3. Step 3: Cross multiply
    5,426,306.70x = 8,140,626.45 × 1,640,172.30
  4. Step 4: Simplify right side
    5,426,306.70x = 13,352,030,007,937.34
  5. Step 5: Solve for x
    x = 13,352,030,007,937.34/5,426,306.70
  6. Step 6: Final answer
    x = 2,460,611.01

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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.