Home / 2,931,875.40-4,394,313.90-1,226,015.40

Finding the Fourth Proportional to 2,931,875.40, 4,394,313.90 and 1,226,015.40

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Solution

The fourth proportional to 2,931,875.40, 4,394,313.90 and 1,226,015.40 is: 1,837,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,875.40 : 4,394,313.90 = 1,226,015.40 : x
  2. Step 2: Convert to fraction form
    2,931,875.40/4,394,313.90 = 1,226,015.40/x
  3. Step 3: Cross multiply
    2,931,875.40x = 4,394,313.90 × 1,226,015.40
  4. Step 4: Simplify right side
    2,931,875.40x = 5,387,496,513,834.06
  5. Step 5: Solve for x
    x = 5,387,496,513,834.06/2,931,875.40
  6. Step 6: Final answer
    x = 1,837,559.85

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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.