Home / 2,895,905.40-4,345,931.70-1,214,215.80

Finding the Fourth Proportional to 2,895,905.40, 4,345,931.70 and 1,214,215.80

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Solution

The fourth proportional to 2,895,905.40, 4,345,931.70 and 1,214,215.80 is: 1,822,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,905.40 : 4,345,931.70 = 1,214,215.80 : x
  2. Step 2: Convert to fraction form
    2,895,905.40/4,345,931.70 = 1,214,215.80/x
  3. Step 3: Cross multiply
    2,895,905.40x = 4,345,931.70 × 1,214,215.80
  4. Step 4: Simplify right side
    2,895,905.40x = 5,276,898,935,860.86
  5. Step 5: Solve for x
    x = 5,276,898,935,860.86/2,895,905.40
  6. Step 6: Final answer
    x = 1,822,193.13

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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.