Home / 4,242,417.64-6,363,658.73-1,209,780.91

Finding the Fourth Proportional to 4,242,417.64, 6,363,658.73 and 1,209,780.91

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Solution

The fourth proportional to 4,242,417.64, 6,363,658.73 and 1,209,780.91 is: 1,814,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242,417.64 : 6,363,658.73 = 1,209,780.91 : x
  2. Step 2: Convert to fraction form
    4,242,417.64/6,363,658.73 = 1,209,780.91/x
  3. Step 3: Cross multiply
    4,242,417.64x = 6,363,658.73 × 1,209,780.91
  4. Step 4: Simplify right side
    4,242,417.64x = 7,698,632,849,308.85
  5. Step 5: Solve for x
    x = 7,698,632,849,308.85/4,242,417.64
  6. Step 6: Final answer
    x = 1,814,680.57

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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.