Finding the Fourth Proportional to 2,391,913.86, 3,589,551.99 and 2,163,228.09
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Solution
The fourth proportional to 2,391,913.86, 3,589,551.99 and 2,163,228.09 is: 3,246,362.60
Step by Step Solution
- Step 1: Write the proportion equation
2,391,913.86 : 3,589,551.99 = 2,163,228.09 : x - Step 2: Convert to fraction form
2,391,913.86/3,589,551.99 = 2,163,228.09/x - Step 3: Cross multiply
2,391,913.86x = 3,589,551.99 × 2,163,228.09 - Step 4: Simplify right side
2,391,913.86x = 7,765,019,695,283.40 - Step 5: Solve for x
x = 7,765,019,695,283.40/2,391,913.86 - Step 6: Final answer
x = 3,246,362.60
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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.