Finding the Fourth Proportional to 2,567,675.25, 3,543,348.53 and 1,421,730.99
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Solution
The fourth proportional to 2,567,675.25, 3,543,348.53 and 1,421,730.99 is: 1,961,964.78
Step by Step Solution
- Step 1: Write the proportion equation
2,567,675.25 : 3,543,348.53 = 1,421,730.99 : x - Step 2: Convert to fraction form
2,567,675.25/3,543,348.53 = 1,421,730.99/x - Step 3: Cross multiply
2,567,675.25x = 3,543,348.53 × 1,421,730.99 - Step 4: Simplify right side
2,567,675.25x = 5,037,688,417,026.27 - Step 5: Solve for x
x = 5,037,688,417,026.27/2,567,675.25 - Step 6: Final answer
x = 1,961,964.78
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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.