Finding the Fourth Proportional to 4,655,320.74, 6,423,379.72 and 2,721,207.20
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Solution
The fourth proportional to 4,655,320.74, 6,423,379.72 and 2,721,207.20 is: 3,754,703.08
Step by Step Solution
- Step 1: Write the proportion equation
4,655,320.74 : 6,423,379.72 = 2,721,207.20 : x - Step 2: Convert to fraction form
4,655,320.74/6,423,379.72 = 2,721,207.20/x - Step 3: Cross multiply
4,655,320.74x = 6,423,379.72 × 2,721,207.20 - Step 4: Simplify right side
4,655,320.74x = 17,479,347,103,478.07 - Step 5: Solve for x
x = 17,479,347,103,478.07/4,655,320.74 - Step 6: Final answer
x = 3,754,703.08
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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.