Finding the Fourth Proportional to 1,565,395.08, 2,164,593.66 and 1,242,544.68
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Solution
The fourth proportional to 1,565,395.08, 2,164,593.66 and 1,242,544.68 is: 1,718,163.27
Step by Step Solution
- Step 1: Write the proportion equation
1,565,395.08 : 2,164,593.66 = 1,242,544.68 : x - Step 2: Convert to fraction form
1,565,395.08/2,164,593.66 = 1,242,544.68/x - Step 3: Cross multiply
1,565,395.08x = 2,164,593.66 × 1,242,544.68 - Step 4: Simplify right side
1,565,395.08x = 2,689,604,336,594.73 - Step 5: Solve for x
x = 2,689,604,336,594.73/1,565,395.08 - Step 6: Final answer
x = 1,718,163.27
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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.