Finding the Fourth Proportional to 7,643,701.05, 10,547,991.18 and 4,159,054.17
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Solution
The fourth proportional to 7,643,701.05, 10,547,991.18 and 4,159,054.17 is: 5,739,322.67
Step by Step Solution
- Step 1: Write the proportion equation
7,643,701.05 : 10,547,991.18 = 4,159,054.17 : x - Step 2: Convert to fraction form
7,643,701.05/10,547,991.18 = 4,159,054.17/x - Step 3: Cross multiply
7,643,701.05x = 10,547,991.18 × 4,159,054.17 - Step 4: Simplify right side
7,643,701.05x = 43,869,666,702,302.22 - Step 5: Solve for x
x = 43,869,666,702,302.22/7,643,701.05 - Step 6: Final answer
x = 5,739,322.67
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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.