Home / 2,455,680.80-3,683,521.20-1,257,204.80

Finding the Fourth Proportional to 2,455,680.80, 3,683,521.20 and 1,257,204.80

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Solution

The fourth proportional to 2,455,680.80, 3,683,521.20 and 1,257,204.80 is: 1,885,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,680.80 : 3,683,521.20 = 1,257,204.80 : x
  2. Step 2: Convert to fraction form
    2,455,680.80/3,683,521.20 = 1,257,204.80/x
  3. Step 3: Cross multiply
    2,455,680.80x = 3,683,521.20 × 1,257,204.80
  4. Step 4: Simplify right side
    2,455,680.80x = 4,630,940,533,541.76
  5. Step 5: Solve for x
    x = 4,630,940,533,541.76/2,455,680.80
  6. Step 6: Final answer
    x = 1,885,807.20

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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.