Home / 1,636,884.60-2,258,544.45-992,463.18

Finding the Fourth Proportional to 1,636,884.60, 2,258,544.45 and 992,463.18

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Solution

The fourth proportional to 1,636,884.60, 2,258,544.45 and 992,463.18 is: 1,369,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,884.60 : 2,258,544.45 = 992,463.18 : x
  2. Step 2: Convert to fraction form
    1,636,884.60/2,258,544.45 = 992,463.18/x
  3. Step 3: Cross multiply
    1,636,884.60x = 2,258,544.45 × 992,463.18
  4. Step 4: Simplify right side
    1,636,884.60x = 2,241,522,207,018.35
  5. Step 5: Solve for x
    x = 2,241,522,207,018.35/1,636,884.60
  6. Step 6: Final answer
    x = 1,369,383.16

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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.