Home / 4,771,312.20-7,154,516.70-1,405,081.80

Finding the Fourth Proportional to 4,771,312.20, 7,154,516.70 and 1,405,081.80

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Solution

The fourth proportional to 4,771,312.20, 7,154,516.70 and 1,405,081.80 is: 2,106,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,312.20 : 7,154,516.70 = 1,405,081.80 : x
  2. Step 2: Convert to fraction form
    4,771,312.20/7,154,516.70 = 1,405,081.80/x
  3. Step 3: Cross multiply
    4,771,312.20x = 7,154,516.70 × 1,405,081.80
  4. Step 4: Simplify right side
    4,771,312.20x = 10,052,681,202,966.06
  5. Step 5: Solve for x
    x = 10,052,681,202,966.06/4,771,312.20
  6. Step 6: Final answer
    x = 2,106,900.74

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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.