Home / 2,289,457.40-3,434,186.10-693,141.80

Finding the Fourth Proportional to 2,289,457.40, 3,434,186.10 and 693,141.80

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Solution

The fourth proportional to 2,289,457.40, 3,434,186.10 and 693,141.80 is: 1,039,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,457.40 : 3,434,186.10 = 693,141.80 : x
  2. Step 2: Convert to fraction form
    2,289,457.40/3,434,186.10 = 693,141.80/x
  3. Step 3: Cross multiply
    2,289,457.40x = 3,434,186.10 × 693,141.80
  4. Step 4: Simplify right side
    2,289,457.40x = 2,380,377,934,888.98
  5. Step 5: Solve for x
    x = 2,380,377,934,888.98/2,289,457.40
  6. Step 6: Final answer
    x = 1,039,712.70

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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.