Finding the Fourth Proportional to 2,637,813.27, 3,639,026.57 and 1,549,593.93
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Solution
The fourth proportional to 2,637,813.27, 3,639,026.57 and 1,549,593.93 is: 2,137,760.67
Step by Step Solution
- Step 1: Write the proportion equation
2,637,813.27 : 3,639,026.57 = 1,549,593.93 : x - Step 2: Convert to fraction form
2,637,813.27/3,639,026.57 = 1,549,593.93/x - Step 3: Cross multiply
2,637,813.27x = 3,639,026.57 × 1,549,593.93 - Step 4: Simplify right side
2,637,813.27x = 5,639,013,476,232.75 - Step 5: Solve for x
x = 5,639,013,476,232.75/2,637,813.27 - Step 6: Final answer
x = 2,137,760.67
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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.