Home / 1,808,429.84-2,495,635.56-992,638.16

Finding the Fourth Proportional to 1,808,429.84, 2,495,635.56 and 992,638.16

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Solution

The fourth proportional to 1,808,429.84, 2,495,635.56 and 992,638.16 is: 1,369,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,429.84 : 2,495,635.56 = 992,638.16 : x
  2. Step 2: Convert to fraction form
    1,808,429.84/2,495,635.56 = 992,638.16/x
  3. Step 3: Cross multiply
    1,808,429.84x = 2,495,635.56 × 992,638.16
  4. Step 4: Simplify right side
    1,808,429.84x = 2,477,263,090,308.97
  5. Step 5: Solve for x
    x = 2,477,263,090,308.97/1,808,429.84
  6. Step 6: Final answer
    x = 1,369,841.97

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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.