Home / 1,680,968.16-2,319,418.80-1,001,967.84

Finding the Fourth Proportional to 1,680,968.16, 2,319,418.80 and 1,001,967.84

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Solution

The fourth proportional to 1,680,968.16, 2,319,418.80 and 1,001,967.84 is: 1,382,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,968.16 : 2,319,418.80 = 1,001,967.84 : x
  2. Step 2: Convert to fraction form
    1,680,968.16/2,319,418.80 = 1,001,967.84/x
  3. Step 3: Cross multiply
    1,680,968.16x = 2,319,418.80 × 1,001,967.84
  4. Step 4: Simplify right side
    1,680,968.16x = 2,323,983,045,091.39
  5. Step 5: Solve for x
    x = 2,323,983,045,091.39/1,680,968.16
  6. Step 6: Final answer
    x = 1,382,526.51

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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.