Finding the Fourth Proportional to 4,655,356.75, 6,423,429.09 and 2,721,243.07
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Solution
The fourth proportional to 4,655,356.75, 6,423,429.09 and 2,721,243.07 is: 3,754,752.39
Step by Step Solution
- Step 1: Write the proportion equation
4,655,356.75 : 6,423,429.09 = 2,721,243.07 : x - Step 2: Convert to fraction form
4,655,356.75/6,423,429.09 = 2,721,243.07/x - Step 3: Cross multiply
4,655,356.75x = 6,423,429.09 × 2,721,243.07 - Step 4: Simplify right side
4,655,356.75x = 17,479,711,896,798.90 - Step 5: Solve for x
x = 17,479,711,896,798.90/4,655,356.75 - Step 6: Final answer
x = 3,754,752.39
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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.