Home / 3,078,922.47-4,617,943.47-1,057,128.45

Finding the Fourth Proportional to 3,078,922.47, 4,617,943.47 and 1,057,128.45

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Solution

The fourth proportional to 3,078,922.47, 4,617,943.47 and 1,057,128.45 is: 1,585,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,922.47 : 4,617,943.47 = 1,057,128.45 : x
  2. Step 2: Convert to fraction form
    3,078,922.47/4,617,943.47 = 1,057,128.45/x
  3. Step 3: Cross multiply
    3,078,922.47x = 4,617,943.47 × 1,057,128.45
  4. Step 4: Simplify right side
    3,078,922.47x = 4,881,759,422,628.72
  5. Step 5: Solve for x
    x = 4,881,759,422,628.72/3,078,922.47
  6. Step 6: Final answer
    x = 1,585,541.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.