Home / 2,580,900.66-3,871,338.02-661,803.30

Finding the Fourth Proportional to 2,580,900.66, 3,871,338.02 and 661,803.30

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Solution

The fourth proportional to 2,580,900.66, 3,871,338.02 and 661,803.30 is: 992,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,900.66 : 3,871,338.02 = 661,803.30 : x
  2. Step 2: Convert to fraction form
    2,580,900.66/3,871,338.02 = 661,803.30/x
  3. Step 3: Cross multiply
    2,580,900.66x = 3,871,338.02 × 661,803.30
  4. Step 4: Simplify right side
    2,580,900.66x = 2,562,064,277,051.47
  5. Step 5: Solve for x
    x = 2,562,064,277,051.47/2,580,900.66
  6. Step 6: Final answer
    x = 992,701.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.