Finding the Fourth Proportional to 6,604,631.28, 9,114,457.18 and 3,703,959.87
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Solution
The fourth proportional to 6,604,631.28, 9,114,457.18 and 3,703,959.87 is: 5,111,501.65
Step by Step Solution
- Step 1: Write the proportion equation
6,604,631.28 : 9,114,457.18 = 3,703,959.87 : x - Step 2: Convert to fraction form
6,604,631.28/9,114,457.18 = 3,703,959.87/x - Step 3: Cross multiply
6,604,631.28x = 9,114,457.18 × 3,703,959.87 - Step 4: Simplify right side
6,604,631.28x = 33,759,583,631,553.37 - Step 5: Solve for x
x = 33,759,583,631,553.37/6,604,631.28 - Step 6: Final answer
x = 5,111,501.65
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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.