Home / 1,887,583.86-2,604,905.70-1,028,142.06

Finding the Fourth Proportional to 1,887,583.86, 2,604,905.70 and 1,028,142.06

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Solution

The fourth proportional to 1,887,583.86, 2,604,905.70 and 1,028,142.06 is: 1,418,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,583.86 : 2,604,905.70 = 1,028,142.06 : x
  2. Step 2: Convert to fraction form
    1,887,583.86/2,604,905.70 = 1,028,142.06/x
  3. Step 3: Cross multiply
    1,887,583.86x = 2,604,905.70 × 1,028,142.06
  4. Step 4: Simplify right side
    1,887,583.86x = 2,678,213,112,503.74
  5. Step 5: Solve for x
    x = 2,678,213,112,503.74/1,887,583.86
  6. Step 6: Final answer
    x = 1,418,857.82

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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.