Home / 4,680,688.40-7,020,514.20-1,315,235.60

Finding the Fourth Proportional to 4,680,688.40, 7,020,514.20 and 1,315,235.60

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Solution

The fourth proportional to 4,680,688.40, 7,020,514.20 and 1,315,235.60 is: 1,972,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,688.40 : 7,020,514.20 = 1,315,235.60 : x
  2. Step 2: Convert to fraction form
    4,680,688.40/7,020,514.20 = 1,315,235.60/x
  3. Step 3: Cross multiply
    4,680,688.40x = 7,020,514.20 × 1,315,235.60
  4. Step 4: Simplify right side
    4,680,688.40x = 9,233,630,206,145.52
  5. Step 5: Solve for x
    x = 9,233,630,206,145.52/4,680,688.40
  6. Step 6: Final answer
    x = 1,972,707.73

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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.