Home / 1,570,030.21-2,166,633.48-881,731.09

Finding the Fourth Proportional to 1,570,030.21, 2,166,633.48 and 881,731.09

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Solution

The fourth proportional to 1,570,030.21, 2,166,633.48 and 881,731.09 is: 1,216,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,030.21 : 2,166,633.48 = 881,731.09 : x
  2. Step 2: Convert to fraction form
    1,570,030.21/2,166,633.48 = 881,731.09/x
  3. Step 3: Cross multiply
    1,570,030.21x = 2,166,633.48 × 881,731.09
  4. Step 4: Simplify right side
    1,570,030.21x = 1,910,388,099,950.89
  5. Step 5: Solve for x
    x = 1,910,388,099,950.89/1,570,030.21
  6. Step 6: Final answer
    x = 1,216,784.29

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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.