Home / 3,864,985.20-5,797,477.80-2,427,980.40

Finding the Fourth Proportional to 3,864,985.20, 5,797,477.80 and 2,427,980.40

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Solution

The fourth proportional to 3,864,985.20, 5,797,477.80 and 2,427,980.40 is: 3,641,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,985.20 : 5,797,477.80 = 2,427,980.40 : x
  2. Step 2: Convert to fraction form
    3,864,985.20/5,797,477.80 = 2,427,980.40/x
  3. Step 3: Cross multiply
    3,864,985.20x = 5,797,477.80 × 2,427,980.40
  4. Step 4: Simplify right side
    3,864,985.20x = 14,076,162,467,835.12
  5. Step 5: Solve for x
    x = 14,076,162,467,835.12/3,864,985.20
  6. Step 6: Final answer
    x = 3,641,970.60

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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.