Home / 2,388,501.09-3,296,403.78-1,421,634.45

Finding the Fourth Proportional to 2,388,501.09, 3,296,403.78 and 1,421,634.45

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Solution

The fourth proportional to 2,388,501.09, 3,296,403.78 and 1,421,634.45 is: 1,962,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388,501.09 : 3,296,403.78 = 1,421,634.45 : x
  2. Step 2: Convert to fraction form
    2,388,501.09/3,296,403.78 = 1,421,634.45/x
  3. Step 3: Cross multiply
    2,388,501.09x = 3,296,403.78 × 1,421,634.45
  4. Step 4: Simplify right side
    2,388,501.09x = 4,686,281,174,758.22
  5. Step 5: Solve for x
    x = 4,686,281,174,758.22/2,388,501.09
  6. Step 6: Final answer
    x = 1,962,017.60

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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.