Home / 3,886,479.38-5,830,466.30-1,490,137.12

Finding the Fourth Proportional to 3,886,479.38, 5,830,466.30 and 1,490,137.12

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Solution

The fourth proportional to 3,886,479.38, 5,830,466.30 and 1,490,137.12 is: 2,235,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,479.38 : 5,830,466.30 = 1,490,137.12 : x
  2. Step 2: Convert to fraction form
    3,886,479.38/5,830,466.30 = 1,490,137.12/x
  3. Step 3: Cross multiply
    3,886,479.38x = 5,830,466.30 × 1,490,137.12
  4. Step 4: Simplify right side
    3,886,479.38x = 8,688,194,265,964.47
  5. Step 5: Solve for x
    x = 8,688,194,265,964.47/3,886,479.38
  6. Step 6: Final answer
    x = 2,235,492.18

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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.