Home / 2,470,328.42-3,705,846.80-764,621.51

Finding the Fourth Proportional to 2,470,328.42, 3,705,846.80 and 764,621.51

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Solution

The fourth proportional to 2,470,328.42, 3,705,846.80 and 764,621.51 is: 1,147,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470,328.42 : 3,705,846.80 = 764,621.51 : x
  2. Step 2: Convert to fraction form
    2,470,328.42/3,705,846.80 = 764,621.51/x
  3. Step 3: Cross multiply
    2,470,328.42x = 3,705,846.80 × 764,621.51
  4. Step 4: Simplify right side
    2,470,328.42x = 2,833,570,153,692.33
  5. Step 5: Solve for x
    x = 2,833,570,153,692.33/2,470,328.42
  6. Step 6: Final answer
    x = 1,147,041.88

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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.