Finding the Fourth Proportional to 1,512,712.03, 2,087,542.63 and 833,648.53
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Solution
The fourth proportional to 1,512,712.03, 2,087,542.63 and 833,648.53 is: 1,150,434.99
Step by Step Solution
- Step 1: Write the proportion equation
1,512,712.03 : 2,087,542.63 = 833,648.53 : x - Step 2: Convert to fraction form
1,512,712.03/2,087,542.63 = 833,648.53/x - Step 3: Cross multiply
1,512,712.03x = 2,087,542.63 × 833,648.53 - Step 4: Simplify right side
1,512,712.03x = 1,740,276,850,420.39 - Step 5: Solve for x
x = 1,740,276,850,420.39/1,512,712.03 - Step 6: Final answer
x = 1,150,434.99
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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.