Finding the Fourth Proportional to 2,174,482.29, 3,000,703.26 and 1,207,674.84
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Solution
The fourth proportional to 2,174,482.29, 3,000,703.26 and 1,207,674.84 is: 1,666,545.57
Step by Step Solution
- Step 1: Write the proportion equation
2,174,482.29 : 3,000,703.26 = 1,207,674.84 : x - Step 2: Convert to fraction form
2,174,482.29/3,000,703.26 = 1,207,674.84/x - Step 3: Cross multiply
2,174,482.29x = 3,000,703.26 × 1,207,674.84 - Step 4: Simplify right side
2,174,482.29x = 3,623,873,829,407.98 - Step 5: Solve for x
x = 3,623,873,829,407.98/2,174,482.29 - Step 6: Final answer
x = 1,666,545.57
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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.