Home / 3,977,643.60-5,966,465.40-2,465,989.20

Finding the Fourth Proportional to 3,977,643.60, 5,966,465.40 and 2,465,989.20

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Solution

The fourth proportional to 3,977,643.60, 5,966,465.40 and 2,465,989.20 is: 3,698,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,643.60 : 5,966,465.40 = 2,465,989.20 : x
  2. Step 2: Convert to fraction form
    3,977,643.60/5,966,465.40 = 2,465,989.20/x
  3. Step 3: Cross multiply
    3,977,643.60x = 5,966,465.40 × 2,465,989.20
  4. Step 4: Simplify right side
    3,977,643.60x = 14,713,239,238,573.68
  5. Step 5: Solve for x
    x = 14,713,239,238,573.68/3,977,643.60
  6. Step 6: Final answer
    x = 3,698,983.80

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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.