Home / 2,386,149.47-3,579,784.77-788,712.53

Finding the Fourth Proportional to 2,386,149.47, 3,579,784.77 and 788,712.53

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Solution

The fourth proportional to 2,386,149.47, 3,579,784.77 and 788,712.53 is: 1,183,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386,149.47 : 3,579,784.77 = 788,712.53 : x
  2. Step 2: Convert to fraction form
    2,386,149.47/3,579,784.77 = 788,712.53/x
  3. Step 3: Cross multiply
    2,386,149.47x = 3,579,784.77 × 788,712.53
  4. Step 4: Simplify right side
    2,386,149.47x = 2,823,421,087,860.92
  5. Step 5: Solve for x
    x = 2,823,421,087,860.92/2,386,149.47
  6. Step 6: Final answer
    x = 1,183,254.08

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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.