Home / 5,312,625.85-7,330,858.40-2,989,477.90

Finding the Fourth Proportional to 5,312,625.85, 7,330,858.40 and 2,989,477.90

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Solution

The fourth proportional to 5,312,625.85, 7,330,858.40 and 2,989,477.90 is: 4,125,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,625.85 : 7,330,858.40 = 2,989,477.90 : x
  2. Step 2: Convert to fraction form
    5,312,625.85/7,330,858.40 = 2,989,477.90/x
  3. Step 3: Cross multiply
    5,312,625.85x = 7,330,858.40 × 2,989,477.90
  4. Step 4: Simplify right side
    5,312,625.85x = 21,915,439,174,829.36
  5. Step 5: Solve for x
    x = 21,915,439,174,829.36/5,312,625.85
  6. Step 6: Final answer
    x = 4,125,161.42

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1.5x scale

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.