Finding the Fourth Proportional to 6,887,918.84, 10,331,459.99 and 2,569,136.54
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Solution
The fourth proportional to 6,887,918.84, 10,331,459.99 and 2,569,136.54 is: 3,853,548.79
Step by Step Solution
- Step 1: Write the proportion equation
6,887,918.84 : 10,331,459.99 = 2,569,136.54 : x - Step 2: Convert to fraction form
6,887,918.84/10,331,459.99 = 2,569,136.54/x - Step 3: Cross multiply
6,887,918.84x = 10,331,459.99 × 2,569,136.54 - Step 4: Simplify right side
6,887,918.84x = 26,542,931,316,988.31 - Step 5: Solve for x
x = 26,542,931,316,988.31/6,887,918.84 - Step 6: Final answer
x = 3,853,548.79
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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.