Finding the Fourth Proportional to 6,240,243.69, 9,344,384.64 and 4,318,493.99
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Solution
The fourth proportional to 6,240,243.69, 9,344,384.64 and 4,318,493.99 is: 6,466,681.57
Step by Step Solution
- Step 1: Write the proportion equation
6,240,243.69 : 9,344,384.64 = 4,318,493.99 : x - Step 2: Convert to fraction form
6,240,243.69/9,344,384.64 = 4,318,493.99/x - Step 3: Cross multiply
6,240,243.69x = 9,344,384.64 × 4,318,493.99 - Step 4: Simplify right side
6,240,243.69x = 40,353,668,861,366.40 - Step 5: Solve for x
x = 40,353,668,861,366.40/6,240,243.69 - Step 6: Final answer
x = 6,466,681.57
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1.5x scale
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.