Home / 1,551,987.39-2,141,710.87-971,530.66

Finding the Fourth Proportional to 1,551,987.39, 2,141,710.87 and 971,530.66

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Solution

The fourth proportional to 1,551,987.39, 2,141,710.87 and 971,530.66 is: 1,340,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,987.39 : 2,141,710.87 = 971,530.66 : x
  2. Step 2: Convert to fraction form
    1,551,987.39/2,141,710.87 = 971,530.66/x
  3. Step 3: Cross multiply
    1,551,987.39x = 2,141,710.87 × 971,530.66
  4. Step 4: Simplify right side
    1,551,987.39x = 2,080,737,775,060.27
  5. Step 5: Solve for x
    x = 2,080,737,775,060.27/1,551,987.39
  6. Step 6: Final answer
    x = 1,340,692.45

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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.