Home / 3,113,507.38-4,671,609.81-1,672,509.46

Finding the Fourth Proportional to 3,113,507.38, 4,671,609.81 and 1,672,509.46

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Solution

The fourth proportional to 3,113,507.38, 4,671,609.81 and 1,672,509.46 is: 2,509,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,507.38 : 4,671,609.81 = 1,672,509.46 : x
  2. Step 2: Convert to fraction form
    3,113,507.38/4,671,609.81 = 1,672,509.46/x
  3. Step 3: Cross multiply
    3,113,507.38x = 4,671,609.81 × 1,672,509.46
  4. Step 4: Simplify right side
    3,113,507.38x = 7,813,311,600,653.80
  5. Step 5: Solve for x
    x = 7,813,311,600,653.80/3,113,507.38
  6. Step 6: Final answer
    x = 2,509,488.70

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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.