Finding the Fourth Proportional to 7,051,053.46, 10,578,102.96 and 2,193,267.55
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Solution
The fourth proportional to 7,051,053.46, 10,578,102.96 and 2,193,267.55 is: 3,290,374.99
Step by Step Solution
- Step 1: Write the proportion equation
7,051,053.46 : 10,578,102.96 = 2,193,267.55 : x - Step 2: Convert to fraction form
7,051,053.46/10,578,102.96 = 2,193,267.55/x - Step 3: Cross multiply
7,051,053.46x = 10,578,102.96 × 2,193,267.55 - Step 4: Simplify right side
7,051,053.46x = 23,200,609,962,726.95 - Step 5: Solve for x
x = 23,200,609,962,726.95/7,051,053.46 - Step 6: Final answer
x = 3,290,374.99
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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.