Home / 5,296,389.60-7,939,054.80-2,896,543.20

Finding the Fourth Proportional to 5,296,389.60, 7,939,054.80 and 2,896,543.20

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Solution

The fourth proportional to 5,296,389.60, 7,939,054.80 and 2,896,543.20 is: 4,341,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296,389.60 : 7,939,054.80 = 2,896,543.20 : x
  2. Step 2: Convert to fraction form
    5,296,389.60/7,939,054.80 = 2,896,543.20/x
  3. Step 3: Cross multiply
    5,296,389.60x = 7,939,054.80 × 2,896,543.20
  4. Step 4: Simplify right side
    5,296,389.60x = 22,995,815,195,367.36
  5. Step 5: Solve for x
    x = 22,995,815,195,367.36/5,296,389.60
  6. Step 6: Final answer
    x = 4,341,790.72

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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.