Finding the Fourth Proportional to 1,425,838.47, 2,138,118.34 and 849,733.81
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Solution
The fourth proportional to 1,425,838.47, 2,138,118.34 and 849,733.81 is: 1,274,219.68
Step by Step Solution
- Step 1: Write the proportion equation
1,425,838.47 : 2,138,118.34 = 849,733.81 : x - Step 2: Convert to fraction form
1,425,838.47/2,138,118.34 = 849,733.81/x - Step 3: Cross multiply
1,425,838.47x = 2,138,118.34 × 849,733.81 - Step 4: Simplify right side
1,425,838.47x = 1,816,831,443,279.08 - Step 5: Solve for x
x = 1,816,831,443,279.08/1,425,838.47 - Step 6: Final answer
x = 1,274,219.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.