Home / 1,937,345.74-2,673,664.89-1,077,907.78

Finding the Fourth Proportional to 1,937,345.74, 2,673,664.89 and 1,077,907.78

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Solution

The fourth proportional to 1,937,345.74, 2,673,664.89 and 1,077,907.78 is: 1,487,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,345.74 : 2,673,664.89 = 1,077,907.78 : x
  2. Step 2: Convert to fraction form
    1,937,345.74/2,673,664.89 = 1,077,907.78/x
  3. Step 3: Cross multiply
    1,937,345.74x = 2,673,664.89 × 1,077,907.78
  4. Step 4: Simplify right side
    1,937,345.74x = 2,881,964,186,043.84
  5. Step 5: Solve for x
    x = 2,881,964,186,043.84/1,937,345.74
  6. Step 6: Final answer
    x = 1,487,583.82

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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.