Home / 2,130,182.65-2,939,662.85-1,163,312.91

Finding the Fourth Proportional to 2,130,182.65, 2,939,662.85 and 1,163,312.91

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Solution

The fourth proportional to 2,130,182.65, 2,939,662.85 and 1,163,312.91 is: 1,605,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,182.65 : 2,939,662.85 = 1,163,312.91 : x
  2. Step 2: Convert to fraction form
    2,130,182.65/2,939,662.85 = 1,163,312.91/x
  3. Step 3: Cross multiply
    2,130,182.65x = 2,939,662.85 × 1,163,312.91
  4. Step 4: Simplify right side
    2,130,182.65x = 3,419,747,748,539.60
  5. Step 5: Solve for x
    x = 3,419,747,748,539.60/2,130,182.65
  6. Step 6: Final answer
    x = 1,605,377.71

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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.