Home / 3,888,068-5,365,689.36-2,169,338.72

Finding the Fourth Proportional to 3,888,068, 5,365,689.36 and 2,169,338.72

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Solution

The fourth proportional to 3,888,068, 5,365,689.36 and 2,169,338.72 is: 2,993,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,068 : 5,365,689.36 = 2,169,338.72 : x
  2. Step 2: Convert to fraction form
    3,888,068/5,365,689.36 = 2,169,338.72/x
  3. Step 3: Cross multiply
    3,888,068x = 5,365,689.36 × 2,169,338.72
  4. Step 4: Simplify right side
    3,888,068x = 11,639,997,688,140.02
  5. Step 5: Solve for x
    x = 11,639,997,688,140.02/3,888,068
  6. Step 6: Final answer
    x = 2,993,774.21

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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.