Home / 2,166,536.41-2,989,783.71-1,199,645.93

Finding the Fourth Proportional to 2,166,536.41, 2,989,783.71 and 1,199,645.93

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Solution

The fourth proportional to 2,166,536.41, 2,989,783.71 and 1,199,645.93 is: 1,655,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,536.41 : 2,989,783.71 = 1,199,645.93 : x
  2. Step 2: Convert to fraction form
    2,166,536.41/2,989,783.71 = 1,199,645.93/x
  3. Step 3: Cross multiply
    2,166,536.41x = 2,989,783.71 × 1,199,645.93
  4. Step 4: Simplify right side
    2,166,536.41x = 3,586,681,866,756.26
  5. Step 5: Solve for x
    x = 3,586,681,866,756.26/2,166,536.41
  6. Step 6: Final answer
    x = 1,655,491.16

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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.