Home / 2,688,340.20-3,709,898.28-1,464,642

Finding the Fourth Proportional to 2,688,340.20, 3,709,898.28 and 1,464,642

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Solution

The fourth proportional to 2,688,340.20, 3,709,898.28 and 1,464,642 is: 2,021,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,340.20 : 3,709,898.28 = 1,464,642 : x
  2. Step 2: Convert to fraction form
    2,688,340.20/3,709,898.28 = 1,464,642/x
  3. Step 3: Cross multiply
    2,688,340.20x = 3,709,898.28 × 1,464,642
  4. Step 4: Simplify right side
    2,688,340.20x = 5,433,672,836,615.76
  5. Step 5: Solve for x
    x = 5,433,672,836,615.76/2,688,340.20
  6. Step 6: Final answer
    x = 2,021,199.86

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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.