Finding the Fourth Proportional to 4,139,389.05, 5,712,347.93 and 2,328,553.05
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Solution
The fourth proportional to 4,139,389.05, 5,712,347.93 and 2,328,553.05 is: 3,213,398.17
Step by Step Solution
- Step 1: Write the proportion equation
4,139,389.05 : 5,712,347.93 = 2,328,553.05 : x - Step 2: Convert to fraction form
4,139,389.05/5,712,347.93 = 2,328,553.05/x - Step 3: Cross multiply
4,139,389.05x = 5,712,347.93 × 2,328,553.05 - Step 4: Simplify right side
4,139,389.05x = 13,301,505,183,419.92 - Step 5: Solve for x
x = 13,301,505,183,419.92/4,139,389.05 - Step 6: Final answer
x = 3,213,398.17
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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.