Home / 2,985,909.20-4,120,533.96-1,696,648.40

Finding the Fourth Proportional to 2,985,909.20, 4,120,533.96 and 1,696,648.40

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Solution

The fourth proportional to 2,985,909.20, 4,120,533.96 and 1,696,648.40 is: 2,341,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,909.20 : 4,120,533.96 = 1,696,648.40 : x
  2. Step 2: Convert to fraction form
    2,985,909.20/4,120,533.96 = 1,696,648.40/x
  3. Step 3: Cross multiply
    2,985,909.20x = 4,120,533.96 × 1,696,648.40
  4. Step 4: Simplify right side
    2,985,909.20x = 6,991,097,350,379.66
  5. Step 5: Solve for x
    x = 6,991,097,350,379.66/2,985,909.20
  6. Step 6: Final answer
    x = 2,341,363.01

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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.