Home / 2,911,205.80-4,366,031.10-889,445.80

Finding the Fourth Proportional to 2,911,205.80, 4,366,031.10 and 889,445.80

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Solution

The fourth proportional to 2,911,205.80, 4,366,031.10 and 889,445.80 is: 1,333,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,205.80 : 4,366,031.10 = 889,445.80 : x
  2. Step 2: Convert to fraction form
    2,911,205.80/4,366,031.10 = 889,445.80/x
  3. Step 3: Cross multiply
    2,911,205.80x = 4,366,031.10 × 889,445.80
  4. Step 4: Simplify right side
    2,911,205.80x = 3,883,348,024,564.38
  5. Step 5: Solve for x
    x = 3,883,348,024,564.38/2,911,205.80
  6. Step 6: Final answer
    x = 1,333,931.12

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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.