Finding the Fourth Proportional to 6,313,434.98, 8,711,890.11 and 4,660,461.50
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Solution
The fourth proportional to 6,313,434.98, 8,711,890.11 and 4,660,461.50 is: 6,430,956.93
Step by Step Solution
- Step 1: Write the proportion equation
6,313,434.98 : 8,711,890.11 = 4,660,461.50 : x - Step 2: Convert to fraction form
6,313,434.98/8,711,890.11 = 4,660,461.50/x - Step 3: Cross multiply
6,313,434.98x = 8,711,890.11 × 4,660,461.50 - Step 4: Simplify right side
6,313,434.98x = 40,601,428,406,326.31 - Step 5: Solve for x
x = 40,601,428,406,326.31/6,313,434.98 - Step 6: Final answer
x = 6,430,956.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.