Home / 3,127,776.30-4,701,686.85-2,905,901.10

Finding the Fourth Proportional to 3,127,776.30, 4,701,686.85 and 2,905,901.10

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Solution

The fourth proportional to 3,127,776.30, 4,701,686.85 and 2,905,901.10 is: 4,368,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,776.30 : 4,701,686.85 = 2,905,901.10 : x
  2. Step 2: Convert to fraction form
    3,127,776.30/4,701,686.85 = 2,905,901.10/x
  3. Step 3: Cross multiply
    3,127,776.30x = 4,701,686.85 × 2,905,901.10
  4. Step 4: Simplify right side
    3,127,776.30x = 13,662,636,989,270.54
  5. Step 5: Solve for x
    x = 13,662,636,989,270.54/3,127,776.30
  6. Step 6: Final answer
    x = 4,368,163.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.