Home / 1,898,310.90-2,619,634.05-1,038,853.92

Finding the Fourth Proportional to 1,898,310.90, 2,619,634.05 and 1,038,853.92

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Solution

The fourth proportional to 1,898,310.90, 2,619,634.05 and 1,038,853.92 is: 1,433,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,310.90 : 2,619,634.05 = 1,038,853.92 : x
  2. Step 2: Convert to fraction form
    1,898,310.90/2,619,634.05 = 1,038,853.92/x
  3. Step 3: Cross multiply
    1,898,310.90x = 2,619,634.05 × 1,038,853.92
  4. Step 4: Simplify right side
    1,898,310.90x = 2,721,417,101,807.98
  5. Step 5: Solve for x
    x = 2,721,417,101,807.98/1,898,310.90
  6. Step 6: Final answer
    x = 1,433,599.26

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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.