Home / 2,810,762.70-3,878,851.65-1,521,602.13

Finding the Fourth Proportional to 2,810,762.70, 3,878,851.65 and 1,521,602.13

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Solution

The fourth proportional to 2,810,762.70, 3,878,851.65 and 1,521,602.13 is: 2,099,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,762.70 : 3,878,851.65 = 1,521,602.13 : x
  2. Step 2: Convert to fraction form
    2,810,762.70/3,878,851.65 = 1,521,602.13/x
  3. Step 3: Cross multiply
    2,810,762.70x = 3,878,851.65 × 1,521,602.13
  4. Step 4: Simplify right side
    2,810,762.70x = 5,902,068,932,594.01
  5. Step 5: Solve for x
    x = 5,902,068,932,594.01/2,810,762.70
  6. Step 6: Final answer
    x = 2,099,810.47

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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.