Home / 3,579,530.40-4,939,752.74-1,969,898.40

Finding the Fourth Proportional to 3,579,530.40, 4,939,752.74 and 1,969,898.40

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Solution

The fourth proportional to 3,579,530.40, 4,939,752.74 and 1,969,898.40 is: 2,718,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,530.40 : 4,939,752.74 = 1,969,898.40 : x
  2. Step 2: Convert to fraction form
    3,579,530.40/4,939,752.74 = 1,969,898.40/x
  3. Step 3: Cross multiply
    3,579,530.40x = 4,939,752.74 × 1,969,898.40
  4. Step 4: Simplify right side
    3,579,530.40x = 9,730,811,009,072.13
  5. Step 5: Solve for x
    x = 9,730,811,009,072.13/3,579,530.40
  6. Step 6: Final answer
    x = 2,718,460.22

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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.