Finding the Fourth Proportional to 4,696,753.70, 7,042,909.98 and 1,819,468.15
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Solution
The fourth proportional to 4,696,753.70, 7,042,909.98 and 1,819,468.15 is: 2,728,342.00
Step by Step Solution
- Step 1: Write the proportion equation
4,696,753.70 : 7,042,909.98 = 1,819,468.15 : x - Step 2: Convert to fraction form
4,696,753.70/7,042,909.98 = 1,819,468.15/x - Step 3: Cross multiply
4,696,753.70x = 7,042,909.98 × 1,819,468.15 - Step 4: Simplify right side
4,696,753.70x = 12,814,350,391,927.14 - Step 5: Solve for x
x = 12,814,350,391,927.14/4,696,753.70 - Step 6: Final answer
x = 2,728,342.00
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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.