Home / 4,657,000.20-6,985,500.30-1,245,280.20

Finding the Fourth Proportional to 4,657,000.20, 6,985,500.30 and 1,245,280.20

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Solution

The fourth proportional to 4,657,000.20, 6,985,500.30 and 1,245,280.20 is: 1,867,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657,000.20 : 6,985,500.30 = 1,245,280.20 : x
  2. Step 2: Convert to fraction form
    4,657,000.20/6,985,500.30 = 1,245,280.20/x
  3. Step 3: Cross multiply
    4,657,000.20x = 6,985,500.30 × 1,245,280.20
  4. Step 4: Simplify right side
    4,657,000.20x = 8,698,905,210,684.06
  5. Step 5: Solve for x
    x = 8,698,905,210,684.06/4,657,000.20
  6. Step 6: Final answer
    x = 1,867,920.30

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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.