Home / 3,938,941.36-5,435,580.96-2,220,417.76

Finding the Fourth Proportional to 3,938,941.36, 5,435,580.96 and 2,220,417.76

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Solution

The fourth proportional to 3,938,941.36, 5,435,580.96 and 2,220,417.76 is: 3,064,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,941.36 : 5,435,580.96 = 2,220,417.76 : x
  2. Step 2: Convert to fraction form
    3,938,941.36/5,435,580.96 = 2,220,417.76/x
  3. Step 3: Cross multiply
    3,938,941.36x = 5,435,580.96 × 2,220,417.76
  4. Step 4: Simplify right side
    3,938,941.36x = 12,069,260,499,501.85
  5. Step 5: Solve for x
    x = 12,069,260,499,501.85/3,938,941.36
  6. Step 6: Final answer
    x = 3,064,087.38

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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.