Home / 1,530,306.61-2,111,839.32-841,987.51

Finding the Fourth Proportional to 1,530,306.61, 2,111,839.32 and 841,987.51

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Solution

The fourth proportional to 1,530,306.61, 2,111,839.32 and 841,987.51 is: 1,161,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,306.61 : 2,111,839.32 = 841,987.51 : x
  2. Step 2: Convert to fraction form
    1,530,306.61/2,111,839.32 = 841,987.51/x
  3. Step 3: Cross multiply
    1,530,306.61x = 2,111,839.32 × 841,987.51
  4. Step 4: Simplify right side
    1,530,306.61x = 1,778,142,330,566.89
  5. Step 5: Solve for x
    x = 1,778,142,330,566.89/1,530,306.61
  6. Step 6: Final answer
    x = 1,161,951.68

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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.