Home / 2,808,720-3,876,133.32-1,585,323.36

Finding the Fourth Proportional to 2,808,720, 3,876,133.32 and 1,585,323.36

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Solution

The fourth proportional to 2,808,720, 3,876,133.32 and 1,585,323.36 is: 2,187,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,720 : 3,876,133.32 = 1,585,323.36 : x
  2. Step 2: Convert to fraction form
    2,808,720/3,876,133.32 = 1,585,323.36/x
  3. Step 3: Cross multiply
    2,808,720x = 3,876,133.32 × 1,585,323.36
  4. Step 4: Simplify right side
    2,808,720x = 6,144,924,698,670.36
  5. Step 5: Solve for x
    x = 6,144,924,698,670.36/2,808,720
  6. Step 6: Final answer
    x = 2,187,802.52

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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.