Home / 1,515,826.58-2,091,845.43-971,964.53

Finding the Fourth Proportional to 1,515,826.58, 2,091,845.43 and 971,964.53

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Solution

The fourth proportional to 1,515,826.58, 2,091,845.43 and 971,964.53 is: 1,341,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,826.58 : 2,091,845.43 = 971,964.53 : x
  2. Step 2: Convert to fraction form
    1,515,826.58/2,091,845.43 = 971,964.53/x
  3. Step 3: Cross multiply
    1,515,826.58x = 2,091,845.43 × 971,964.53
  4. Step 4: Simplify right side
    1,515,826.58x = 2,033,199,549,743.37
  5. Step 5: Solve for x
    x = 2,033,199,549,743.37/1,515,826.58
  6. Step 6: Final answer
    x = 1,341,314.09

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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.