Home / 4,686,672.80-7,030,009.20-1,492,121.90

Finding the Fourth Proportional to 4,686,672.80, 7,030,009.20 and 1,492,121.90

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Solution

The fourth proportional to 4,686,672.80, 7,030,009.20 and 1,492,121.90 is: 2,238,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686,672.80 : 7,030,009.20 = 1,492,121.90 : x
  2. Step 2: Convert to fraction form
    4,686,672.80/7,030,009.20 = 1,492,121.90/x
  3. Step 3: Cross multiply
    4,686,672.80x = 7,030,009.20 × 1,492,121.90
  4. Step 4: Simplify right side
    4,686,672.80x = 10,489,630,684,521.48
  5. Step 5: Solve for x
    x = 10,489,630,684,521.48/4,686,672.80
  6. Step 6: Final answer
    x = 2,238,182.85

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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.