Home / 3,424,430.88-4,725,656.64-1,896,505.20

Finding the Fourth Proportional to 3,424,430.88, 4,725,656.64 and 1,896,505.20

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Solution

The fourth proportional to 3,424,430.88, 4,725,656.64 and 1,896,505.20 is: 2,617,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424,430.88 : 4,725,656.64 = 1,896,505.20 : x
  2. Step 2: Convert to fraction form
    3,424,430.88/4,725,656.64 = 1,896,505.20/x
  3. Step 3: Cross multiply
    3,424,430.88x = 4,725,656.64 × 1,896,505.20
  4. Step 4: Simplify right side
    3,424,430.88x = 8,962,232,391,174.53
  5. Step 5: Solve for x
    x = 8,962,232,391,174.53/3,424,430.88
  6. Step 6: Final answer
    x = 2,617,145.07

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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.