Finding the Fourth Proportional to 5,075,064.63, 7,614,175.28 and 1,663,381.08
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Solution
The fourth proportional to 5,075,064.63, 7,614,175.28 and 1,663,381.08 is: 2,495,588.93
Step by Step Solution
- Step 1: Write the proportion equation
5,075,064.63 : 7,614,175.28 = 1,663,381.08 : x - Step 2: Convert to fraction form
5,075,064.63/7,614,175.28 = 1,663,381.08/x - Step 3: Cross multiply
5,075,064.63x = 7,614,175.28 × 1,663,381.08 - Step 4: Simplify right side
5,075,064.63x = 12,665,275,092,238.80 - Step 5: Solve for x
x = 12,665,275,092,238.80/5,075,064.63 - Step 6: Final answer
x = 2,495,588.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.