Finding the Fourth Proportional to 5,418,817.16, 8,133,098.70 and 2,896,628.36
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Solution
The fourth proportional to 5,418,817.16, 8,133,098.70 and 2,896,628.36 is: 4,347,547.38
Step by Step Solution
- Step 1: Write the proportion equation
5,418,817.16 : 8,133,098.70 = 2,896,628.36 : x - Step 2: Convert to fraction form
5,418,817.16/8,133,098.70 = 2,896,628.36/x - Step 3: Cross multiply
5,418,817.16x = 8,133,098.70 × 2,896,628.36 - Step 4: Simplify right side
5,418,817.16x = 23,558,564,349,099.13 - Step 5: Solve for x
x = 23,558,564,349,099.13/5,418,817.16 - Step 6: Final answer
x = 4,347,547.38
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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.