Home / 4,920,787.40-7,381,181.10-3,021,369.80

Finding the Fourth Proportional to 4,920,787.40, 7,381,181.10 and 3,021,369.80

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Solution

The fourth proportional to 4,920,787.40, 7,381,181.10 and 3,021,369.80 is: 4,532,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,787.40 : 7,381,181.10 = 3,021,369.80 : x
  2. Step 2: Convert to fraction form
    4,920,787.40/7,381,181.10 = 3,021,369.80/x
  3. Step 3: Cross multiply
    4,920,787.40x = 7,381,181.10 × 3,021,369.80
  4. Step 4: Simplify right side
    4,920,787.40x = 22,301,277,663,870.78
  5. Step 5: Solve for x
    x = 22,301,277,663,870.78/4,920,787.40
  6. Step 6: Final answer
    x = 4,532,054.70

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1.5x scale

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.