Home / 2,931,890.40-4,394,336.40-1,226,030.40

Finding the Fourth Proportional to 2,931,890.40, 4,394,336.40 and 1,226,030.40

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Solution

The fourth proportional to 2,931,890.40, 4,394,336.40 and 1,226,030.40 is: 1,837,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,890.40 : 4,394,336.40 = 1,226,030.40 : x
  2. Step 2: Convert to fraction form
    2,931,890.40/4,394,336.40 = 1,226,030.40/x
  3. Step 3: Cross multiply
    2,931,890.40x = 4,394,336.40 × 1,226,030.40
  4. Step 4: Simplify right side
    2,931,890.40x = 5,387,590,014,226.56
  5. Step 5: Solve for x
    x = 5,387,590,014,226.56/2,931,890.40
  6. Step 6: Final answer
    x = 1,837,582.34

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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.