Home / 3,260,457.60-4,890,686.40-2,126,716.80

Finding the Fourth Proportional to 3,260,457.60, 4,890,686.40 and 2,126,716.80

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Solution

The fourth proportional to 3,260,457.60, 4,890,686.40 and 2,126,716.80 is: 3,190,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,457.60 : 4,890,686.40 = 2,126,716.80 : x
  2. Step 2: Convert to fraction form
    3,260,457.60/4,890,686.40 = 2,126,716.80/x
  3. Step 3: Cross multiply
    3,260,457.60x = 4,890,686.40 × 2,126,716.80
  4. Step 4: Simplify right side
    3,260,457.60x = 10,401,104,930,411.52
  5. Step 5: Solve for x
    x = 10,401,104,930,411.52/3,260,457.60
  6. Step 6: Final answer
    x = 3,190,075.20

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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.