Home / 2,980,086.48-4,112,397.36-1,690,899.12

Finding the Fourth Proportional to 2,980,086.48, 4,112,397.36 and 1,690,899.12

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Solution

The fourth proportional to 2,980,086.48, 4,112,397.36 and 1,690,899.12 is: 2,333,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,086.48 : 4,112,397.36 = 1,690,899.12 : x
  2. Step 2: Convert to fraction form
    2,980,086.48/4,112,397.36 = 1,690,899.12/x
  3. Step 3: Cross multiply
    2,980,086.48x = 4,112,397.36 × 1,690,899.12
  4. Step 4: Simplify right side
    2,980,086.48x = 6,953,649,077,114.32
  5. Step 5: Solve for x
    x = 6,953,649,077,114.32/2,980,086.48
  6. Step 6: Final answer
    x = 2,333,371.57

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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.