Finding the Fourth Proportional to 5,152,248.66, 7,728,933.42 and 1,913,406.36
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Solution
The fourth proportional to 5,152,248.66, 7,728,933.42 and 1,913,406.36 is: 2,870,317.67
Step by Step Solution
- Step 1: Write the proportion equation
5,152,248.66 : 7,728,933.42 = 1,913,406.36 : x - Step 2: Convert to fraction form
5,152,248.66/7,728,933.42 = 1,913,406.36/x - Step 3: Cross multiply
5,152,248.66x = 7,728,933.42 × 1,913,406.36 - Step 4: Simplify right side
5,152,248.66x = 14,788,590,361,844.55 - Step 5: Solve for x
x = 14,788,590,361,844.55/5,152,248.66 - Step 6: Final answer
x = 2,870,317.67
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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.