Home / 1,905,539.70-2,629,697.43-1,078,547.52

Finding the Fourth Proportional to 1,905,539.70, 2,629,697.43 and 1,078,547.52

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Solution

The fourth proportional to 1,905,539.70, 2,629,697.43 and 1,078,547.52 is: 1,488,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,539.70 : 2,629,697.43 = 1,078,547.52 : x
  2. Step 2: Convert to fraction form
    1,905,539.70/2,629,697.43 = 1,078,547.52/x
  3. Step 3: Cross multiply
    1,905,539.70x = 2,629,697.43 × 1,078,547.52
  4. Step 4: Simplify right side
    1,905,539.70x = 2,836,253,641,476.87
  5. Step 5: Solve for x
    x = 2,836,253,641,476.87/1,905,539.70
  6. Step 6: Final answer
    x = 1,488,425.37

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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.