Home / 2,005,678.32-2,767,820-1,087,905.12

Finding the Fourth Proportional to 2,005,678.32, 2,767,820 and 1,087,905.12

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Solution

The fourth proportional to 2,005,678.32, 2,767,820 and 1,087,905.12 is: 1,501,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,678.32 : 2,767,820 = 1,087,905.12 : x
  2. Step 2: Convert to fraction form
    2,005,678.32/2,767,820 = 1,087,905.12/x
  3. Step 3: Cross multiply
    2,005,678.32x = 2,767,820 × 1,087,905.12
  4. Step 4: Simplify right side
    2,005,678.32x = 3,011,125,549,238.40
  5. Step 5: Solve for x
    x = 3,011,125,549,238.40/2,005,678.32
  6. Step 6: Final answer
    x = 1,501,300.34

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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.