Home / 1,930,449.40-2,895,674.10-1,426,564.60

Finding the Fourth Proportional to 1,930,449.40, 2,895,674.10 and 1,426,564.60

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Solution

The fourth proportional to 1,930,449.40, 2,895,674.10 and 1,426,564.60 is: 2,139,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,449.40 : 2,895,674.10 = 1,426,564.60 : x
  2. Step 2: Convert to fraction form
    1,930,449.40/2,895,674.10 = 1,426,564.60/x
  3. Step 3: Cross multiply
    1,930,449.40x = 2,895,674.10 × 1,426,564.60
  4. Step 4: Simplify right side
    1,930,449.40x = 4,130,866,164,196.86
  5. Step 5: Solve for x
    x = 4,130,866,164,196.86/1,930,449.40
  6. Step 6: Final answer
    x = 2,139,846.90

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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.