Home / 5,180,681.15-7,771,021.73-3,281,781.95

Finding the Fourth Proportional to 5,180,681.15, 7,771,021.73 and 3,281,781.95

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Solution

The fourth proportional to 5,180,681.15, 7,771,021.73 and 3,281,781.95 is: 4,922,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,681.15 : 7,771,021.73 = 3,281,781.95 : x
  2. Step 2: Convert to fraction form
    5,180,681.15/7,771,021.73 = 3,281,781.95/x
  3. Step 3: Cross multiply
    5,180,681.15x = 7,771,021.73 × 3,281,781.95
  4. Step 4: Simplify right side
    5,180,681.15x = 25,502,798,830,162.86
  5. Step 5: Solve for x
    x = 25,502,798,830,162.86/5,180,681.15
  6. Step 6: Final answer
    x = 4,922,672.93

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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.