Home / 2,904,278.40-4,070,188.80-2,904,278.40

Finding the Fourth Proportional to 2,904,278.40, 4,070,188.80 and 2,904,278.40

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Solution

The fourth proportional to 2,904,278.40, 4,070,188.80 and 2,904,278.40 is: 4,070,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904,278.40 : 4,070,188.80 = 2,904,278.40 : x
  2. Step 2: Convert to fraction form
    2,904,278.40/4,070,188.80 = 2,904,278.40/x
  3. Step 3: Cross multiply
    2,904,278.40x = 4,070,188.80 × 2,904,278.40
  4. Step 4: Simplify right side
    2,904,278.40x = 11,820,961,415,761.92
  5. Step 5: Solve for x
    x = 11,820,961,415,761.92/2,904,278.40
  6. Step 6: Final answer
    x = 4,070,188.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.