Home / 2,012,429.20-3,018,643.80-2,000,619.40

Finding the Fourth Proportional to 2,012,429.20, 3,018,643.80 and 2,000,619.40

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Solution

The fourth proportional to 2,012,429.20, 3,018,643.80 and 2,000,619.40 is: 3,000,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,429.20 : 3,018,643.80 = 2,000,619.40 : x
  2. Step 2: Convert to fraction form
    2,012,429.20/3,018,643.80 = 2,000,619.40/x
  3. Step 3: Cross multiply
    2,012,429.20x = 3,018,643.80 × 2,000,619.40
  4. Step 4: Simplify right side
    2,012,429.20x = 6,039,157,347,969.72
  5. Step 5: Solve for x
    x = 6,039,157,347,969.72/2,012,429.20
  6. Step 6: Final answer
    x = 3,000,929.10

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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.