Home / 5,030,861.31-6,943,215.95-2,856,108.51

Finding the Fourth Proportional to 5,030,861.31, 6,943,215.95 and 2,856,108.51

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Solution

The fourth proportional to 5,030,861.31, 6,943,215.95 and 2,856,108.51 is: 3,941,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030,861.31 : 6,943,215.95 = 2,856,108.51 : x
  2. Step 2: Convert to fraction form
    5,030,861.31/6,943,215.95 = 2,856,108.51/x
  3. Step 3: Cross multiply
    5,030,861.31x = 6,943,215.95 × 2,856,108.51
  4. Step 4: Simplify right side
    5,030,861.31x = 19,830,578,157,992.60
  5. Step 5: Solve for x
    x = 19,830,578,157,992.60/5,030,861.31
  6. Step 6: Final answer
    x = 3,941,785.90

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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.