Home / 1,909,213-2,634,646.50-1,049,767.24

Finding the Fourth Proportional to 1,909,213, 2,634,646.50 and 1,049,767.24

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Solution

The fourth proportional to 1,909,213, 2,634,646.50 and 1,049,767.24 is: 1,448,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,213 : 2,634,646.50 = 1,049,767.24 : x
  2. Step 2: Convert to fraction form
    1,909,213/2,634,646.50 = 1,049,767.24/x
  3. Step 3: Cross multiply
    1,909,213x = 2,634,646.50 × 1,049,767.24
  4. Step 4: Simplify right side
    1,909,213x = 2,765,765,584,680.66
  5. Step 5: Solve for x
    x = 2,765,765,584,680.66/1,909,213
  6. Step 6: Final answer
    x = 1,448,641.71

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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.