Finding the Fourth Proportional to 6,467,483.30, 9,699,570.21 and 1,917,468.14
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Solution
The fourth proportional to 6,467,483.30, 9,699,570.21 and 1,917,468.14 is: 2,875,711.62
Step by Step Solution
- Step 1: Write the proportion equation
6,467,483.30 : 9,699,570.21 = 1,917,468.14 : x - Step 2: Convert to fraction form
6,467,483.30/9,699,570.21 = 1,917,468.14/x - Step 3: Cross multiply
6,467,483.30x = 9,699,570.21 × 1,917,468.14 - Step 4: Simplify right side
6,467,483.30x = 18,598,616,849,368.11 - Step 5: Solve for x
x = 18,598,616,849,368.11/6,467,483.30 - Step 6: Final answer
x = 2,875,711.62
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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.