Finding the Fourth Proportional to 5,282,321.08, 7,921,174.14 and 1,869,473.80
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Solution
The fourth proportional to 5,282,321.08, 7,921,174.14 and 1,869,473.80 is: 2,803,394.06
Step by Step Solution
- Step 1: Write the proportion equation
5,282,321.08 : 7,921,174.14 = 1,869,473.80 : x - Step 2: Convert to fraction form
5,282,321.08/7,921,174.14 = 1,869,473.80/x - Step 3: Cross multiply
5,282,321.08x = 7,921,174.14 × 1,869,473.80 - Step 4: Simplify right side
5,282,321.08x = 14,808,427,519,967.53 - Step 5: Solve for x
x = 14,808,427,519,967.53/5,282,321.08 - Step 6: Final answer
x = 2,803,394.06
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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.