Home / 1,618,666.10-2,427,999.15-988,810.10

Finding the Fourth Proportional to 1,618,666.10, 2,427,999.15 and 988,810.10

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Solution

The fourth proportional to 1,618,666.10, 2,427,999.15 and 988,810.10 is: 1,483,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,666.10 : 2,427,999.15 = 988,810.10 : x
  2. Step 2: Convert to fraction form
    1,618,666.10/2,427,999.15 = 988,810.10/x
  3. Step 3: Cross multiply
    1,618,666.10x = 2,427,999.15 × 988,810.10
  4. Step 4: Simplify right side
    1,618,666.10x = 2,400,830,082,311.42
  5. Step 5: Solve for x
    x = 2,400,830,082,311.42/1,618,666.10
  6. Step 6: Final answer
    x = 1,483,215.15

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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.