Home / 1,693,990.76-2,538,743.16-1,242,598.28

Finding the Fourth Proportional to 1,693,990.76, 2,538,743.16 and 1,242,598.28

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Solution

The fourth proportional to 1,693,990.76, 2,538,743.16 and 1,242,598.28 is: 1,862,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,990.76 : 2,538,743.16 = 1,242,598.28 : x
  2. Step 2: Convert to fraction form
    1,693,990.76/2,538,743.16 = 1,242,598.28/x
  3. Step 3: Cross multiply
    1,693,990.76x = 2,538,743.16 × 1,242,598.28
  4. Step 4: Simplify right side
    1,693,990.76x = 3,154,637,883,977.77
  5. Step 5: Solve for x
    x = 3,154,637,883,977.77/1,693,990.76
  6. Step 6: Final answer
    x = 1,862,252.12

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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.