Home / 1,915,929.75-2,873,060.13-549,401.49

Finding the Fourth Proportional to 1,915,929.75, 2,873,060.13 and 549,401.49

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Solution

The fourth proportional to 1,915,929.75, 2,873,060.13 and 549,401.49 is: 823,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,929.75 : 2,873,060.13 = 549,401.49 : x
  2. Step 2: Convert to fraction form
    1,915,929.75/2,873,060.13 = 549,401.49/x
  3. Step 3: Cross multiply
    1,915,929.75x = 2,873,060.13 × 549,401.49
  4. Step 4: Simplify right side
    1,915,929.75x = 1,578,463,516,281.59
  5. Step 5: Solve for x
    x = 1,578,463,516,281.59/1,915,929.75
  6. Step 6: Final answer
    x = 823,862.94

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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.