Home / 1,889,142-2,607,017.64-1,029,685.04

Finding the Fourth Proportional to 1,889,142, 2,607,017.64 and 1,029,685.04

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Solution

The fourth proportional to 1,889,142, 2,607,017.64 and 1,029,685.04 is: 1,420,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,142 : 2,607,017.64 = 1,029,685.04 : x
  2. Step 2: Convert to fraction form
    1,889,142/2,607,017.64 = 1,029,685.04/x
  3. Step 3: Cross multiply
    1,889,142x = 2,607,017.64 × 1,029,685.04
  4. Step 4: Simplify right side
    1,889,142x = 2,684,407,062,924.11
  5. Step 5: Solve for x
    x = 2,684,407,062,924.11/1,889,142
  6. Step 6: Final answer
    x = 1,420,966.27

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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.