Finding the Fourth Proportional to 2,257,972.97, 3,118,588.82 and 1,487,049.99
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Solution
The fourth proportional to 2,257,972.97, 3,118,588.82 and 1,487,049.99 is: 2,053,832.15
Step by Step Solution
- Step 1: Write the proportion equation
2,257,972.97 : 3,118,588.82 = 1,487,049.99 : x - Step 2: Convert to fraction form
2,257,972.97/3,118,588.82 = 1,487,049.99/x - Step 3: Cross multiply
2,257,972.97x = 3,118,588.82 × 1,487,049.99 - Step 4: Simplify right side
2,257,972.97x = 4,637,497,466,159.86 - Step 5: Solve for x
x = 4,637,497,466,159.86/2,257,972.97 - Step 6: Final answer
x = 2,053,832.15
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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.