Home / 2,642,977.50-3,646,999.50-1,555,009.80

Finding the Fourth Proportional to 2,642,977.50, 3,646,999.50 and 1,555,009.80

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Solution

The fourth proportional to 2,642,977.50, 3,646,999.50 and 1,555,009.80 is: 2,145,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,977.50 : 3,646,999.50 = 1,555,009.80 : x
  2. Step 2: Convert to fraction form
    2,642,977.50/3,646,999.50 = 1,555,009.80/x
  3. Step 3: Cross multiply
    2,642,977.50x = 3,646,999.50 × 1,555,009.80
  4. Step 4: Simplify right side
    2,642,977.50x = 5,671,119,963,095.10
  5. Step 5: Solve for x
    x = 5,671,119,963,095.10/2,642,977.50
  6. Step 6: Final answer
    x = 2,145,731.46

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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.