Home / 1,787,661.65-2,467,021.74-971,920.22

Finding the Fourth Proportional to 1,787,661.65, 2,467,021.74 and 971,920.22

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Solution

The fourth proportional to 1,787,661.65, 2,467,021.74 and 971,920.22 is: 1,341,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,661.65 : 2,467,021.74 = 971,920.22 : x
  2. Step 2: Convert to fraction form
    1,787,661.65/2,467,021.74 = 971,920.22/x
  3. Step 3: Cross multiply
    1,787,661.65x = 2,467,021.74 × 971,920.22
  4. Step 4: Simplify right side
    1,787,661.65x = 2,397,748,312,285.58
  5. Step 5: Solve for x
    x = 2,397,748,312,285.58/1,787,661.65
  6. Step 6: Final answer
    x = 1,341,276.36

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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.