Home / 5,466,830.40-8,200,245.60-1,680,307.20

Finding the Fourth Proportional to 5,466,830.40, 8,200,245.60 and 1,680,307.20

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Solution

The fourth proportional to 5,466,830.40, 8,200,245.60 and 1,680,307.20 is: 2,520,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466,830.40 : 8,200,245.60 = 1,680,307.20 : x
  2. Step 2: Convert to fraction form
    5,466,830.40/8,200,245.60 = 1,680,307.20/x
  3. Step 3: Cross multiply
    5,466,830.40x = 8,200,245.60 × 1,680,307.20
  4. Step 4: Simplify right side
    5,466,830.40x = 13,778,931,723,448.32
  5. Step 5: Solve for x
    x = 13,778,931,723,448.32/5,466,830.40
  6. Step 6: Final answer
    x = 2,520,460.80

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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.