Home / 3,480,181.20-5,220,271.80-3,243,985.20

Finding the Fourth Proportional to 3,480,181.20, 5,220,271.80 and 3,243,985.20

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Solution

The fourth proportional to 3,480,181.20, 5,220,271.80 and 3,243,985.20 is: 4,865,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,181.20 : 5,220,271.80 = 3,243,985.20 : x
  2. Step 2: Convert to fraction form
    3,480,181.20/5,220,271.80 = 3,243,985.20/x
  3. Step 3: Cross multiply
    3,480,181.20x = 5,220,271.80 × 3,243,985.20
  4. Step 4: Simplify right side
    3,480,181.20x = 16,934,484,459,177.36
  5. Step 5: Solve for x
    x = 16,934,484,459,177.36/3,480,181.20
  6. Step 6: Final answer
    x = 4,865,977.80

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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.