Home / 3,405,590.40-4,699,710.72-1,877,721.60

Finding the Fourth Proportional to 3,405,590.40, 4,699,710.72 and 1,877,721.60

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Solution

The fourth proportional to 3,405,590.40, 4,699,710.72 and 1,877,721.60 is: 2,591,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,590.40 : 4,699,710.72 = 1,877,721.60 : x
  2. Step 2: Convert to fraction form
    3,405,590.40/4,699,710.72 = 1,877,721.60/x
  3. Step 3: Cross multiply
    3,405,590.40x = 4,699,710.72 × 1,877,721.60
  4. Step 4: Simplify right side
    3,405,590.40x = 8,824,748,332,695.55
  5. Step 5: Solve for x
    x = 8,824,748,332,695.55/3,405,590.40
  6. Step 6: Final answer
    x = 2,591,253.58

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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.