Home / 1,821,164.12-2,513,214.53-1,005,374.51

Finding the Fourth Proportional to 1,821,164.12, 2,513,214.53 and 1,005,374.51

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Solution

The fourth proportional to 1,821,164.12, 2,513,214.53 and 1,005,374.51 is: 1,387,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,164.12 : 2,513,214.53 = 1,005,374.51 : x
  2. Step 2: Convert to fraction form
    1,821,164.12/2,513,214.53 = 1,005,374.51/x
  3. Step 3: Cross multiply
    1,821,164.12x = 2,513,214.53 × 1,005,374.51
  4. Step 4: Simplify right side
    1,821,164.12x = 2,526,721,809,030.69
  5. Step 5: Solve for x
    x = 2,526,721,809,030.69/1,821,164.12
  6. Step 6: Final answer
    x = 1,387,421.26

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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.