Home / 3,148,272.80-4,732,906.80-2,686,378.40

Finding the Fourth Proportional to 3,148,272.80, 4,732,906.80 and 2,686,378.40

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Solution

The fourth proportional to 3,148,272.80, 4,732,906.80 and 2,686,378.40 is: 4,038,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,272.80 : 4,732,906.80 = 2,686,378.40 : x
  2. Step 2: Convert to fraction form
    3,148,272.80/4,732,906.80 = 2,686,378.40/x
  3. Step 3: Cross multiply
    3,148,272.80x = 4,732,906.80 × 2,686,378.40
  4. Step 4: Simplify right side
    3,148,272.80x = 12,714,378,596,733.12
  5. Step 5: Solve for x
    x = 12,714,378,596,733.12/3,148,272.80
  6. Step 6: Final answer
    x = 4,038,525.06

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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.