Home / 2,059,511.80-3,089,267.70-1,919,543.80

Finding the Fourth Proportional to 2,059,511.80, 3,089,267.70 and 1,919,543.80

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Solution

The fourth proportional to 2,059,511.80, 3,089,267.70 and 1,919,543.80 is: 2,879,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,511.80 : 3,089,267.70 = 1,919,543.80 : x
  2. Step 2: Convert to fraction form
    2,059,511.80/3,089,267.70 = 1,919,543.80/x
  3. Step 3: Cross multiply
    2,059,511.80x = 3,089,267.70 × 1,919,543.80
  4. Step 4: Simplify right side
    2,059,511.80x = 5,929,984,660,075.26
  5. Step 5: Solve for x
    x = 5,929,984,660,075.26/2,059,511.80
  6. Step 6: Final answer
    x = 2,879,315.70

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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.