Finding the Fourth Proportional to 4,128,137.23, 5,697,018.64 and 2,292,603.93
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Solution
The fourth proportional to 4,128,137.23, 5,697,018.64 and 2,292,603.93 is: 3,163,898.53
Step by Step Solution
- Step 1: Write the proportion equation
4,128,137.23 : 5,697,018.64 = 2,292,603.93 : x - Step 2: Convert to fraction form
4,128,137.23/5,697,018.64 = 2,292,603.93/x - Step 3: Cross multiply
4,128,137.23x = 5,697,018.64 × 2,292,603.93 - Step 4: Simplify right side
4,128,137.23x = 13,061,007,323,347.26 - Step 5: Solve for x
x = 13,061,007,323,347.26/4,128,137.23 - Step 6: Final answer
x = 3,163,898.53
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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.