Home / 3,133,123.86-4,698,729.06-2,166,700.35

Finding the Fourth Proportional to 3,133,123.86, 4,698,729.06 and 2,166,700.35

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Solution

The fourth proportional to 3,133,123.86, 4,698,729.06 and 2,166,700.35 is: 3,249,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133,123.86 : 4,698,729.06 = 2,166,700.35 : x
  2. Step 2: Convert to fraction form
    3,133,123.86/4,698,729.06 = 2,166,700.35/x
  3. Step 3: Cross multiply
    3,133,123.86x = 4,698,729.06 × 2,166,700.35
  4. Step 4: Simplify right side
    3,133,123.86x = 10,180,737,898,857.17
  5. Step 5: Solve for x
    x = 10,180,737,898,857.17/3,133,123.86
  6. Step 6: Final answer
    x = 3,249,388.90

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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.