Home / 4,921,401.60-7,382,102.40-4,821,868.80

Finding the Fourth Proportional to 4,921,401.60, 7,382,102.40 and 4,821,868.80

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Solution

The fourth proportional to 4,921,401.60, 7,382,102.40 and 4,821,868.80 is: 7,232,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,401.60 : 7,382,102.40 = 4,821,868.80 : x
  2. Step 2: Convert to fraction form
    4,921,401.60/7,382,102.40 = 4,821,868.80/x
  3. Step 3: Cross multiply
    4,921,401.60x = 7,382,102.40 × 4,821,868.80
  4. Step 4: Simplify right side
    4,921,401.60x = 35,595,529,240,965.12
  5. Step 5: Solve for x
    x = 35,595,529,240,965.12/4,921,401.60
  6. Step 6: Final answer
    x = 7,232,803.20

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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.