Home / 3,555,417.14-4,905,619.28-2,159,938.22

Finding the Fourth Proportional to 3,555,417.14, 4,905,619.28 and 2,159,938.22

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Solution

The fourth proportional to 3,555,417.14, 4,905,619.28 and 2,159,938.22 is: 2,980,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,417.14 : 4,905,619.28 = 2,159,938.22 : x
  2. Step 2: Convert to fraction form
    3,555,417.14/4,905,619.28 = 2,159,938.22/x
  3. Step 3: Cross multiply
    3,555,417.14x = 4,905,619.28 × 2,159,938.22
  4. Step 4: Simplify right side
    3,555,417.14x = 10,595,834,575,640.88
  5. Step 5: Solve for x
    x = 10,595,834,575,640.88/3,555,417.14
  6. Step 6: Final answer
    x = 2,980,194.49

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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.