Home / 2,920,678.74-4,030,536.72-1,631,519.22

Finding the Fourth Proportional to 2,920,678.74, 4,030,536.72 and 1,631,519.22

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Solution

The fourth proportional to 2,920,678.74, 4,030,536.72 and 1,631,519.22 is: 2,251,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,678.74 : 4,030,536.72 = 1,631,519.22 : x
  2. Step 2: Convert to fraction form
    2,920,678.74/4,030,536.72 = 1,631,519.22/x
  3. Step 3: Cross multiply
    2,920,678.74x = 4,030,536.72 × 1,631,519.22
  4. Step 4: Simplify right side
    2,920,678.74x = 6,575,898,125,595.76
  5. Step 5: Solve for x
    x = 6,575,898,125,595.76/2,920,678.74
  6. Step 6: Final answer
    x = 2,251,496.56

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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.