Home / 1,979,804.48-2,732,131.90-1,074,386.48

Finding the Fourth Proportional to 1,979,804.48, 2,732,131.90 and 1,074,386.48

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Solution

The fourth proportional to 1,979,804.48, 2,732,131.90 and 1,074,386.48 is: 1,482,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,804.48 : 2,732,131.90 = 1,074,386.48 : x
  2. Step 2: Convert to fraction form
    1,979,804.48/2,732,131.90 = 1,074,386.48/x
  3. Step 3: Cross multiply
    1,979,804.48x = 2,732,131.90 × 1,074,386.48
  4. Step 4: Simplify right side
    1,979,804.48x = 2,935,365,574,936.71
  5. Step 5: Solve for x
    x = 2,935,365,574,936.71/1,979,804.48
  6. Step 6: Final answer
    x = 1,482,654.27

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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.