Finding the Fourth Proportional to 2,257,972.46, 3,118,588.12 and 1,487,049.49
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Solution
The fourth proportional to 2,257,972.46, 3,118,588.12 and 1,487,049.49 is: 2,053,831.46
Step by Step Solution
- Step 1: Write the proportion equation
2,257,972.46 : 3,118,588.12 = 1,487,049.49 : x - Step 2: Convert to fraction form
2,257,972.46/3,118,588.12 = 1,487,049.49/x - Step 3: Cross multiply
2,257,972.46x = 3,118,588.12 × 1,487,049.49 - Step 4: Simplify right side
2,257,972.46x = 4,637,494,873,366.06 - Step 5: Solve for x
x = 4,637,494,873,366.06/2,257,972.46 - Step 6: Final answer
x = 2,053,831.46
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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.