Finding the Fourth Proportional to 2,687,974.17, 3,709,402.74 and 1,480,750.17
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Solution
The fourth proportional to 2,687,974.17, 3,709,402.74 and 1,480,750.17 is: 2,043,434.34
Step by Step Solution
- Step 1: Write the proportion equation
2,687,974.17 : 3,709,402.74 = 1,480,750.17 : x - Step 2: Convert to fraction form
2,687,974.17/3,709,402.74 = 1,480,750.17/x - Step 3: Cross multiply
2,687,974.17x = 3,709,402.74 × 1,480,750.17 - Step 4: Simplify right side
2,687,974.17x = 5,492,698,723,943.21 - Step 5: Solve for x
x = 5,492,698,723,943.21/2,687,974.17 - Step 6: Final answer
x = 2,043,434.34
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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.