Home / 2,637,614-3,639,909.48-1,430,390

Finding the Fourth Proportional to 2,637,614, 3,639,909.48 and 1,430,390

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Solution

The fourth proportional to 2,637,614, 3,639,909.48 and 1,430,390 is: 1,973,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,614 : 3,639,909.48 = 1,430,390 : x
  2. Step 2: Convert to fraction form
    2,637,614/3,639,909.48 = 1,430,390/x
  3. Step 3: Cross multiply
    2,637,614x = 3,639,909.48 × 1,430,390
  4. Step 4: Simplify right side
    2,637,614x = 5,206,490,121,097.20
  5. Step 5: Solve for x
    x = 5,206,490,121,097.20/2,637,614
  6. Step 6: Final answer
    x = 1,973,939.37

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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.