Home / 3,985,594.95-5,979,341.05-1,289,920.16

Finding the Fourth Proportional to 3,985,594.95, 5,979,341.05 and 1,289,920.16

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Solution

The fourth proportional to 3,985,594.95, 5,979,341.05 and 1,289,920.16 is: 1,935,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,594.95 : 5,979,341.05 = 1,289,920.16 : x
  2. Step 2: Convert to fraction form
    3,985,594.95/5,979,341.05 = 1,289,920.16/x
  3. Step 3: Cross multiply
    3,985,594.95x = 5,979,341.05 × 1,289,920.16
  4. Step 4: Simplify right side
    3,985,594.95x = 7,712,872,563,910.57
  5. Step 5: Solve for x
    x = 7,712,872,563,910.57/3,985,594.95
  6. Step 6: Final answer
    x = 1,935,187.26

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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.