Home / 2,910,006.56-4,362,295.70-989,605.40

Finding the Fourth Proportional to 2,910,006.56, 4,362,295.70 and 989,605.40

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Solution

The fourth proportional to 2,910,006.56, 4,362,295.70 and 989,605.40 is: 1,483,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,006.56 : 4,362,295.70 = 989,605.40 : x
  2. Step 2: Convert to fraction form
    2,910,006.56/4,362,295.70 = 989,605.40/x
  3. Step 3: Cross multiply
    2,910,006.56x = 4,362,295.70 × 989,605.40
  4. Step 4: Simplify right side
    2,910,006.56x = 4,316,951,386,317.23
  5. Step 5: Solve for x
    x = 4,316,951,386,317.23/2,910,006.56
  6. Step 6: Final answer
    x = 1,483,485.11

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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.