Finding the Fourth Proportional to 4,947,246.14, 7,420,763.57 and 1,353,013.09
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Solution
The fourth proportional to 4,947,246.14, 7,420,763.57 and 1,353,013.09 is: 2,029,490.74
Step by Step Solution
- Step 1: Write the proportion equation
4,947,246.14 : 7,420,763.57 = 1,353,013.09 : x - Step 2: Convert to fraction form
4,947,246.14/7,420,763.57 = 1,353,013.09/x - Step 3: Cross multiply
4,947,246.14x = 7,420,763.57 × 1,353,013.09 - Step 4: Simplify right side
4,947,246.14x = 10,040,390,222,688.16 - Step 5: Solve for x
x = 10,040,390,222,688.16/4,947,246.14 - Step 6: Final answer
x = 2,029,490.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.