Finding the Fourth Proportional to 4,655,272.68, 6,423,313.49 and 2,721,159.14
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Solution
The fourth proportional to 4,655,272.68, 6,423,313.49 and 2,721,159.14 is: 3,754,636.81
Step by Step Solution
- Step 1: Write the proportion equation
4,655,272.68 : 6,423,313.49 = 2,721,159.14 : x - Step 2: Convert to fraction form
4,655,272.68/6,423,313.49 = 2,721,159.14/x - Step 3: Cross multiply
4,655,272.68x = 6,423,313.49 × 2,721,159.14 - Step 4: Simplify right side
4,655,272.68x = 17,478,858,180,282.23 - Step 5: Solve for x
x = 17,478,858,180,282.23/4,655,272.68 - Step 6: Final answer
x = 3,754,636.81
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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.