Home / 2,509,020.12-3,462,438.24-1,421,287.32

Finding the Fourth Proportional to 2,509,020.12, 3,462,438.24 and 1,421,287.32

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Solution

The fourth proportional to 2,509,020.12, 3,462,438.24 and 1,421,287.32 is: 1,961,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,020.12 : 3,462,438.24 = 1,421,287.32 : x
  2. Step 2: Convert to fraction form
    2,509,020.12/3,462,438.24 = 1,421,287.32/x
  3. Step 3: Cross multiply
    2,509,020.12x = 3,462,438.24 × 1,421,287.32
  4. Step 4: Simplify right side
    2,509,020.12x = 4,921,119,566,795.12
  5. Step 5: Solve for x
    x = 4,921,119,566,795.12/2,509,020.12
  6. Step 6: Final answer
    x = 1,961,371.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.