Home / 1,802,820.09-2,487,887.15-1,077,632.49

Finding the Fourth Proportional to 1,802,820.09, 2,487,887.15 and 1,077,632.49

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Solution

The fourth proportional to 1,802,820.09, 2,487,887.15 and 1,077,632.49 is: 1,487,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,820.09 : 2,487,887.15 = 1,077,632.49 : x
  2. Step 2: Convert to fraction form
    1,802,820.09/2,487,887.15 = 1,077,632.49/x
  3. Step 3: Cross multiply
    1,802,820.09x = 2,487,887.15 × 1,077,632.49
  4. Step 4: Simplify right side
    1,802,820.09x = 2,681,028,018,905.34
  5. Step 5: Solve for x
    x = 2,681,028,018,905.34/1,802,820.09
  6. Step 6: Final answer
    x = 1,487,130.10

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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.