Home / 5,107,041.44-7,047,715.74-2,815,240.40

Finding the Fourth Proportional to 5,107,041.44, 7,047,715.74 and 2,815,240.40

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Solution

The fourth proportional to 5,107,041.44, 7,047,715.74 and 2,815,240.40 is: 3,885,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,041.44 : 7,047,715.74 = 2,815,240.40 : x
  2. Step 2: Convert to fraction form
    5,107,041.44/7,047,715.74 = 2,815,240.40/x
  3. Step 3: Cross multiply
    5,107,041.44x = 7,047,715.74 × 2,815,240.40
  4. Step 4: Simplify right side
    5,107,041.44x = 19,841,014,078,963.89
  5. Step 5: Solve for x
    x = 19,841,014,078,963.89/5,107,041.44
  6. Step 6: Final answer
    x = 3,885,030.95

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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.