Home / 1,780,830.40-2,458,397.16-1,016,736.40

Finding the Fourth Proportional to 1,780,830.40, 2,458,397.16 and 1,016,736.40

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Solution

The fourth proportional to 1,780,830.40, 2,458,397.16 and 1,016,736.40 is: 1,403,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,830.40 : 2,458,397.16 = 1,016,736.40 : x
  2. Step 2: Convert to fraction form
    1,780,830.40/2,458,397.16 = 1,016,736.40/x
  3. Step 3: Cross multiply
    1,780,830.40x = 2,458,397.16 × 1,016,736.40
  4. Step 4: Simplify right side
    1,780,830.40x = 2,499,541,878,228.62
  5. Step 5: Solve for x
    x = 2,499,541,878,228.62/1,780,830.40
  6. Step 6: Final answer
    x = 1,403,582.22

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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.