Home / 1,827,109.47-2,740,649.04-1,428,085.65

Finding the Fourth Proportional to 1,827,109.47, 2,740,649.04 and 1,428,085.65

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Solution

The fourth proportional to 1,827,109.47, 2,740,649.04 and 1,428,085.65 is: 2,142,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,109.47 : 2,740,649.04 = 1,428,085.65 : x
  2. Step 2: Convert to fraction form
    1,827,109.47/2,740,649.04 = 1,428,085.65/x
  3. Step 3: Cross multiply
    1,827,109.47x = 2,740,649.04 × 1,428,085.65
  4. Step 4: Simplify right side
    1,827,109.47x = 3,913,881,565,710.28
  5. Step 5: Solve for x
    x = 3,913,881,565,710.28/1,827,109.47
  6. Step 6: Final answer
    x = 2,142,116.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.