Finding the Fourth Proportional to 5,174,536.53, 7,140,908.19 and 2,851,512.13
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Solution
The fourth proportional to 5,174,536.53, 7,140,908.19 and 2,851,512.13 is: 3,935,113.07
Step by Step Solution
- Step 1: Write the proportion equation
5,174,536.53 : 7,140,908.19 = 2,851,512.13 : x - Step 2: Convert to fraction form
5,174,536.53/7,140,908.19 = 2,851,512.13/x - Step 3: Cross multiply
5,174,536.53x = 7,140,908.19 × 2,851,512.13 - Step 4: Simplify right side
5,174,536.53x = 20,362,386,323,001.34 - Step 5: Solve for x
x = 20,362,386,323,001.34/5,174,536.53 - Step 6: Final answer
x = 3,935,113.07
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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.