Home / 1,580,218.36-2,178,642.54-1,007,049.40

Finding the Fourth Proportional to 1,580,218.36, 2,178,642.54 and 1,007,049.40

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Solution

The fourth proportional to 1,580,218.36, 2,178,642.54 and 1,007,049.40 is: 1,388,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,218.36 : 2,178,642.54 = 1,007,049.40 : x
  2. Step 2: Convert to fraction form
    1,580,218.36/2,178,642.54 = 1,007,049.40/x
  3. Step 3: Cross multiply
    1,580,218.36x = 2,178,642.54 × 1,007,049.40
  4. Step 4: Simplify right side
    1,580,218.36x = 2,194,000,662,721.48
  5. Step 5: Solve for x
    x = 2,194,000,662,721.48/1,580,218.36
  6. Step 6: Final answer
    x = 1,388,416.13

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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.