Home / 2,697,278.40-3,714,666.48-2,638,491.84

Finding the Fourth Proportional to 2,697,278.40, 3,714,666.48 and 2,638,491.84

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Solution

The fourth proportional to 2,697,278.40, 3,714,666.48 and 2,638,491.84 is: 3,633,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697,278.40 : 3,714,666.48 = 2,638,491.84 : x
  2. Step 2: Convert to fraction form
    2,697,278.40/3,714,666.48 = 2,638,491.84/x
  3. Step 3: Cross multiply
    2,697,278.40x = 3,714,666.48 × 2,638,491.84
  4. Step 4: Simplify right side
    2,697,278.40x = 9,801,117,195,801.52
  5. Step 5: Solve for x
    x = 9,801,117,195,801.52/2,697,278.40
  6. Step 6: Final answer
    x = 3,633,706.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.