Home / 5,251,712.12-7,877,567.28-1,660,000.94

Finding the Fourth Proportional to 5,251,712.12, 7,877,567.28 and 1,660,000.94

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Solution

The fourth proportional to 5,251,712.12, 7,877,567.28 and 1,660,000.94 is: 2,490,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,712.12 : 7,877,567.28 = 1,660,000.94 : x
  2. Step 2: Convert to fraction form
    5,251,712.12/7,877,567.28 = 1,660,000.94/x
  3. Step 3: Cross multiply
    5,251,712.12x = 7,877,567.28 × 1,660,000.94
  4. Step 4: Simplify right side
    5,251,712.12x = 13,076,769,089,713.24
  5. Step 5: Solve for x
    x = 13,076,769,089,713.24/5,251,712.12
  6. Step 6: Final answer
    x = 2,490,001.13

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1.5x scale

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.