Home / 4,430,853.91-6,646,280.90-1,398,455.69

Finding the Fourth Proportional to 4,430,853.91, 6,646,280.90 and 1,398,455.69

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Solution

The fourth proportional to 4,430,853.91, 6,646,280.90 and 1,398,455.69 is: 2,097,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430,853.91 : 6,646,280.90 = 1,398,455.69 : x
  2. Step 2: Convert to fraction form
    4,430,853.91/6,646,280.90 = 1,398,455.69/x
  3. Step 3: Cross multiply
    4,430,853.91x = 6,646,280.90 × 1,398,455.69
  4. Step 4: Simplify right side
    4,430,853.91x = 9,294,529,351,566.74
  5. Step 5: Solve for x
    x = 9,294,529,351,566.74/4,430,853.91
  6. Step 6: Final answer
    x = 2,097,683.55

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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.