Home / 1,989,078.95-2,985,705.49-1,762,822.06

Finding the Fourth Proportional to 1,989,078.95, 2,985,705.49 and 1,762,822.06

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Solution

The fourth proportional to 1,989,078.95, 2,985,705.49 and 1,762,822.06 is: 2,646,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,078.95 : 2,985,705.49 = 1,762,822.06 : x
  2. Step 2: Convert to fraction form
    1,989,078.95/2,985,705.49 = 1,762,822.06/x
  3. Step 3: Cross multiply
    1,989,078.95x = 2,985,705.49 × 1,762,822.06
  4. Step 4: Simplify right side
    1,989,078.95x = 5,263,267,502,435.11
  5. Step 5: Solve for x
    x = 5,263,267,502,435.11/1,989,078.95
  6. Step 6: Final answer
    x = 2,646,082.75

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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.