Finding the Fourth Proportional to 2,107,553.47, 2,908,494.20 and 1,291,599.49
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Solution
The fourth proportional to 2,107,553.47, 2,908,494.20 and 1,291,599.49 is: 1,782,450.45
Step by Step Solution
- Step 1: Write the proportion equation
2,107,553.47 : 2,908,494.20 = 1,291,599.49 : x - Step 2: Convert to fraction form
2,107,553.47/2,908,494.20 = 1,291,599.49/x - Step 3: Cross multiply
2,107,553.47x = 2,908,494.20 × 1,291,599.49 - Step 4: Simplify right side
2,107,553.47x = 3,756,609,617,253.45 - Step 5: Solve for x
x = 3,756,609,617,253.45/2,107,553.47 - Step 6: Final answer
x = 1,782,450.45
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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.