Home / 3,498,985.20-5,248,477.80-1,479,509.40

Finding the Fourth Proportional to 3,498,985.20, 5,248,477.80 and 1,479,509.40

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Solution

The fourth proportional to 3,498,985.20, 5,248,477.80 and 1,479,509.40 is: 2,219,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498,985.20 : 5,248,477.80 = 1,479,509.40 : x
  2. Step 2: Convert to fraction form
    3,498,985.20/5,248,477.80 = 1,479,509.40/x
  3. Step 3: Cross multiply
    3,498,985.20x = 5,248,477.80 × 1,479,509.40
  4. Step 4: Simplify right side
    3,498,985.20x = 7,765,172,240,791.32
  5. Step 5: Solve for x
    x = 7,765,172,240,791.32/3,498,985.20
  6. Step 6: Final answer
    x = 2,219,264.10

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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.