Home / 4,920,756.40-7,381,134.60-2,768,420.35

Finding the Fourth Proportional to 4,920,756.40, 7,381,134.60 and 2,768,420.35

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Solution

The fourth proportional to 4,920,756.40, 7,381,134.60 and 2,768,420.35 is: 4,152,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,756.40 : 7,381,134.60 = 2,768,420.35 : x
  2. Step 2: Convert to fraction form
    4,920,756.40/7,381,134.60 = 2,768,420.35/x
  3. Step 3: Cross multiply
    4,920,756.40x = 7,381,134.60 × 2,768,420.35
  4. Step 4: Simplify right side
    4,920,756.40x = 20,434,083,232,729.11
  5. Step 5: Solve for x
    x = 20,434,083,232,729.11/4,920,756.40
  6. Step 6: Final answer
    x = 4,152,630.53

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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.