Home / 3,139,220.40-4,709,486.70-1,009,519.80

Finding the Fourth Proportional to 3,139,220.40, 4,709,486.70 and 1,009,519.80

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Solution

The fourth proportional to 3,139,220.40, 4,709,486.70 and 1,009,519.80 is: 1,514,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,220.40 : 4,709,486.70 = 1,009,519.80 : x
  2. Step 2: Convert to fraction form
    3,139,220.40/4,709,486.70 = 1,009,519.80/x
  3. Step 3: Cross multiply
    3,139,220.40x = 4,709,486.70 × 1,009,519.80
  4. Step 4: Simplify right side
    3,139,220.40x = 4,754,320,071,486.66
  5. Step 5: Solve for x
    x = 4,754,320,071,486.66/3,139,220.40
  6. Step 6: Final answer
    x = 1,514,490.69

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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.