Home / 2,421,530.39-3,341,420.79-1,388,984.82

Finding the Fourth Proportional to 2,421,530.39, 3,341,420.79 and 1,388,984.82

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Solution

The fourth proportional to 2,421,530.39, 3,341,420.79 and 1,388,984.82 is: 1,916,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,530.39 : 3,341,420.79 = 1,388,984.82 : x
  2. Step 2: Convert to fraction form
    2,421,530.39/3,341,420.79 = 1,388,984.82/x
  3. Step 3: Cross multiply
    2,421,530.39x = 3,341,420.79 × 1,388,984.82
  4. Step 4: Simplify right side
    2,421,530.39x = 4,641,182,754,542.41
  5. Step 5: Solve for x
    x = 4,641,182,754,542.41/2,421,530.39
  6. Step 6: Final answer
    x = 1,916,632.05

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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.