Home / 1,570,383.43-2,167,386.23-1,308,323.16

Finding the Fourth Proportional to 1,570,383.43, 2,167,386.23 and 1,308,323.16

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Solution

The fourth proportional to 1,570,383.43, 2,167,386.23 and 1,308,323.16 is: 1,805,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,383.43 : 2,167,386.23 = 1,308,323.16 : x
  2. Step 2: Convert to fraction form
    1,570,383.43/2,167,386.23 = 1,308,323.16/x
  3. Step 3: Cross multiply
    1,570,383.43x = 2,167,386.23 × 1,308,323.16
  4. Step 4: Simplify right side
    1,570,383.43x = 2,835,641,590,537.16
  5. Step 5: Solve for x
    x = 2,835,641,590,537.16/1,570,383.43
  6. Step 6: Final answer
    x = 1,805,700.15

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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.