Finding the Fourth Proportional to 4,655,272.18, 6,423,312.80 and 2,721,158.63
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Solution
The fourth proportional to 4,655,272.18, 6,423,312.80 and 2,721,158.63 is: 3,754,636.12
Step by Step Solution
- Step 1: Write the proportion equation
4,655,272.18 : 6,423,312.80 = 2,721,158.63 : x - Step 2: Convert to fraction form
4,655,272.18/6,423,312.80 = 2,721,158.63/x - Step 3: Cross multiply
4,655,272.18x = 6,423,312.80 × 2,721,158.63 - Step 4: Simplify right side
4,655,272.18x = 17,478,853,081,770.64 - Step 5: Solve for x
x = 17,478,853,081,770.64/4,655,272.18 - Step 6: Final answer
x = 3,754,636.12
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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.