Finding the Fourth Proportional to 7,485,001.39, 10,329,436.44 and 4,389,757.19
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Solution
The fourth proportional to 7,485,001.39, 10,329,436.44 and 4,389,757.19 is: 6,057,943.82
Step by Step Solution
- Step 1: Write the proportion equation
7,485,001.39 : 10,329,436.44 = 4,389,757.19 : x - Step 2: Convert to fraction form
7,485,001.39/10,329,436.44 = 4,389,757.19/x - Step 3: Cross multiply
7,485,001.39x = 10,329,436.44 × 4,389,757.19 - Step 4: Simplify right side
7,485,001.39x = 45,343,717,881,138.01 - Step 5: Solve for x
x = 45,343,717,881,138.01/7,485,001.39 - Step 6: Final answer
x = 6,057,943.82
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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.