Home / 1,878,284.80-2,592,034.32-1,018,842.40

Finding the Fourth Proportional to 1,878,284.80, 2,592,034.32 and 1,018,842.40

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Solution

The fourth proportional to 1,878,284.80, 2,592,034.32 and 1,018,842.40 is: 1,406,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,284.80 : 2,592,034.32 = 1,018,842.40 : x
  2. Step 2: Convert to fraction form
    1,878,284.80/2,592,034.32 = 1,018,842.40/x
  3. Step 3: Cross multiply
    1,878,284.80x = 2,592,034.32 × 1,018,842.40
  4. Step 4: Simplify right side
    1,878,284.80x = 2,640,874,467,471.17
  5. Step 5: Solve for x
    x = 2,640,874,467,471.17/1,878,284.80
  6. Step 6: Final answer
    x = 1,406,003.21

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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.