Home / 1,948,477.20-2,914,842.60-1,685,162.40

Finding the Fourth Proportional to 1,948,477.20, 2,914,842.60 and 1,685,162.40

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Solution

The fourth proportional to 1,948,477.20, 2,914,842.60 and 1,685,162.40 is: 2,520,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,477.20 : 2,914,842.60 = 1,685,162.40 : x
  2. Step 2: Convert to fraction form
    1,948,477.20/2,914,842.60 = 1,685,162.40/x
  3. Step 3: Cross multiply
    1,948,477.20x = 2,914,842.60 × 1,685,162.40
  4. Step 4: Simplify right side
    1,948,477.20x = 4,911,983,151,438.24
  5. Step 5: Solve for x
    x = 4,911,983,151,438.24/1,948,477.20
  6. Step 6: Final answer
    x = 2,520,934.37

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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.