Home / 1,910,865.12-2,866,673.52-631,420.98

Finding the Fourth Proportional to 1,910,865.12, 2,866,673.52 and 631,420.98

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Solution

The fourth proportional to 1,910,865.12, 2,866,673.52 and 631,420.98 is: 947,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,865.12 : 2,866,673.52 = 631,420.98 : x
  2. Step 2: Convert to fraction form
    1,910,865.12/2,866,673.52 = 631,420.98/x
  3. Step 3: Cross multiply
    1,910,865.12x = 2,866,673.52 × 631,420.98
  4. Step 4: Simplify right side
    1,910,865.12x = 1,810,077,803,338.45
  5. Step 5: Solve for x
    x = 1,810,077,803,338.45/1,910,865.12
  6. Step 6: Final answer
    x = 947,255.66

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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.