Home / 2,943,821.21-4,061,877.74-1,719,890.28

Finding the Fourth Proportional to 2,943,821.21, 4,061,877.74 and 1,719,890.28

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Solution

The fourth proportional to 2,943,821.21, 4,061,877.74 and 1,719,890.28 is: 2,373,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,821.21 : 4,061,877.74 = 1,719,890.28 : x
  2. Step 2: Convert to fraction form
    2,943,821.21/4,061,877.74 = 1,719,890.28/x
  3. Step 3: Cross multiply
    2,943,821.21x = 4,061,877.74 × 1,719,890.28
  4. Step 4: Simplify right side
    2,943,821.21x = 6,985,984,041,424.51
  5. Step 5: Solve for x
    x = 6,985,984,041,424.51/2,943,821.21
  6. Step 6: Final answer
    x = 2,373,100.66

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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.