Finding the Fourth Proportional to 2,687,996.95, 3,709,434.18 and 1,480,772.95
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Solution
The fourth proportional to 2,687,996.95, 3,709,434.18 and 1,480,772.95 is: 2,043,465.78
Step by Step Solution
- Step 1: Write the proportion equation
2,687,996.95 : 3,709,434.18 = 1,480,772.95 : x - Step 2: Convert to fraction form
2,687,996.95/3,709,434.18 = 1,480,772.95/x - Step 3: Cross multiply
2,687,996.95x = 3,709,434.18 × 1,480,772.95 - Step 4: Simplify right side
2,687,996.95x = 5,492,829,789,828.74 - Step 5: Solve for x
x = 5,492,829,789,828.74/2,687,996.95 - Step 6: Final answer
x = 2,043,465.78
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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.