Home / 2,187,666.48-3,018,018.48-2,086,360.50

Finding the Fourth Proportional to 2,187,666.48, 3,018,018.48 and 2,086,360.50

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Solution

The fourth proportional to 2,187,666.48, 3,018,018.48 and 2,086,360.50 is: 2,878,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,666.48 : 3,018,018.48 = 2,086,360.50 : x
  2. Step 2: Convert to fraction form
    2,187,666.48/3,018,018.48 = 2,086,360.50/x
  3. Step 3: Cross multiply
    2,187,666.48x = 3,018,018.48 × 2,086,360.50
  4. Step 4: Simplify right side
    2,187,666.48x = 6,296,674,544,942.04
  5. Step 5: Solve for x
    x = 6,296,674,544,942.04/2,187,666.48
  6. Step 6: Final answer
    x = 2,878,260.74

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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.