Home / 2,079,068.20-3,118,602.30-1,405,909.60

Finding the Fourth Proportional to 2,079,068.20, 3,118,602.30 and 1,405,909.60

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Solution

The fourth proportional to 2,079,068.20, 3,118,602.30 and 1,405,909.60 is: 2,108,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,068.20 : 3,118,602.30 = 1,405,909.60 : x
  2. Step 2: Convert to fraction form
    2,079,068.20/3,118,602.30 = 1,405,909.60/x
  3. Step 3: Cross multiply
    2,079,068.20x = 3,118,602.30 × 1,405,909.60
  4. Step 4: Simplify right side
    2,079,068.20x = 4,384,472,912,152.08
  5. Step 5: Solve for x
    x = 4,384,472,912,152.08/2,079,068.20
  6. Step 6: Final answer
    x = 2,108,864.40

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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.