Home / 1,781,409.90-2,672,114.85-1,604,117.10

Finding the Fourth Proportional to 1,781,409.90, 2,672,114.85 and 1,604,117.10

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Solution

The fourth proportional to 1,781,409.90, 2,672,114.85 and 1,604,117.10 is: 2,406,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,409.90 : 2,672,114.85 = 1,604,117.10 : x
  2. Step 2: Convert to fraction form
    1,781,409.90/2,672,114.85 = 1,604,117.10/x
  3. Step 3: Cross multiply
    1,781,409.90x = 2,672,114.85 × 1,604,117.10
  4. Step 4: Simplify right side
    1,781,409.90x = 4,286,385,124,048.94
  5. Step 5: Solve for x
    x = 4,286,385,124,048.94/1,781,409.90
  6. Step 6: Final answer
    x = 2,406,175.65

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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.