Home / 1,868,445.72-2,578,455.04-1,009,005.96

Finding the Fourth Proportional to 1,868,445.72, 2,578,455.04 and 1,009,005.96

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Solution

The fourth proportional to 1,868,445.72, 2,578,455.04 and 1,009,005.96 is: 1,392,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,445.72 : 2,578,455.04 = 1,009,005.96 : x
  2. Step 2: Convert to fraction form
    1,868,445.72/2,578,455.04 = 1,009,005.96/x
  3. Step 3: Cross multiply
    1,868,445.72x = 2,578,455.04 × 1,009,005.96
  4. Step 4: Simplify right side
    1,868,445.72x = 2,601,676,502,952.04
  5. Step 5: Solve for x
    x = 2,601,676,502,952.04/1,868,445.72
  6. Step 6: Final answer
    x = 1,392,428.20

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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.