Finding the Fourth Proportional to 2,997,160.38, 4,136,460.12 and 1,965,536.28
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Solution
The fourth proportional to 2,997,160.38, 4,136,460.12 and 1,965,536.28 is: 2,712,688.48
Step by Step Solution
- Step 1: Write the proportion equation
2,997,160.38 : 4,136,460.12 = 1,965,536.28 : x - Step 2: Convert to fraction form
2,997,160.38/4,136,460.12 = 1,965,536.28/x - Step 3: Cross multiply
2,997,160.38x = 4,136,460.12 × 1,965,536.28 - Step 4: Simplify right side
2,997,160.38x = 8,130,362,436,633.15 - Step 5: Solve for x
x = 8,130,362,436,633.15/2,997,160.38 - Step 6: Final answer
x = 2,712,688.48
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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.