Home / 3,579,563.79-4,939,798.64-1,969,931.79

Finding the Fourth Proportional to 3,579,563.79, 4,939,798.64 and 1,969,931.79

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Solution

The fourth proportional to 3,579,563.79, 4,939,798.64 and 1,969,931.79 is: 2,718,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,563.79 : 4,939,798.64 = 1,969,931.79 : x
  2. Step 2: Convert to fraction form
    3,579,563.79/4,939,798.64 = 1,969,931.79/x
  3. Step 3: Cross multiply
    3,579,563.79x = 4,939,798.64 × 1,969,931.79
  4. Step 4: Simplify right side
    3,579,563.79x = 9,731,066,367,285.11
  5. Step 5: Solve for x
    x = 9,731,066,367,285.11/3,579,563.79
  6. Step 6: Final answer
    x = 2,718,506.20

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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.