Home / 1,896,140.64-2,616,848.28-1,080,455.16

Finding the Fourth Proportional to 1,896,140.64, 2,616,848.28 and 1,080,455.16

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Solution

The fourth proportional to 1,896,140.64, 2,616,848.28 and 1,080,455.16 is: 1,491,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,140.64 : 2,616,848.28 = 1,080,455.16 : x
  2. Step 2: Convert to fraction form
    1,896,140.64/2,616,848.28 = 1,080,455.16/x
  3. Step 3: Cross multiply
    1,896,140.64x = 2,616,848.28 × 1,080,455.16
  4. Step 4: Simplify right side
    1,896,140.64x = 2,827,387,227,063.12
  5. Step 5: Solve for x
    x = 2,827,387,227,063.12/1,896,140.64
  6. Step 6: Final answer
    x = 1,491,127.38

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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.