Home / 2,021,530.35-2,788,705.76-1,205,159.07

Finding the Fourth Proportional to 2,021,530.35, 2,788,705.76 and 1,205,159.07

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Solution

The fourth proportional to 2,021,530.35, 2,788,705.76 and 1,205,159.07 is: 1,662,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,530.35 : 2,788,705.76 = 1,205,159.07 : x
  2. Step 2: Convert to fraction form
    2,021,530.35/2,788,705.76 = 1,205,159.07/x
  3. Step 3: Cross multiply
    2,021,530.35x = 2,788,705.76 × 1,205,159.07
  4. Step 4: Simplify right side
    2,021,530.35x = 3,360,834,034,199.45
  5. Step 5: Solve for x
    x = 3,360,834,034,199.45/2,021,530.35
  6. Step 6: Final answer
    x = 1,662,519.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.