Home / 2,917,809.40-4,373,603.70-1,119,998.20

Finding the Fourth Proportional to 2,917,809.40, 4,373,603.70 and 1,119,998.20

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Solution

The fourth proportional to 2,917,809.40, 4,373,603.70 and 1,119,998.20 is: 1,678,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,809.40 : 4,373,603.70 = 1,119,998.20 : x
  2. Step 2: Convert to fraction form
    2,917,809.40/4,373,603.70 = 1,119,998.20/x
  3. Step 3: Cross multiply
    2,917,809.40x = 4,373,603.70 × 1,119,998.20
  4. Step 4: Simplify right side
    2,917,809.40x = 4,898,428,271,513.34
  5. Step 5: Solve for x
    x = 4,898,428,271,513.34/2,917,809.40
  6. Step 6: Final answer
    x = 1,678,803.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.