Finding the Fourth Proportional to 5,661,721.49, 8,484,184.15 and 4,158,465.17
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Solution
The fourth proportional to 5,661,721.49, 8,484,184.15 and 4,158,465.17 is: 6,231,529.46
Step by Step Solution
- Step 1: Write the proportion equation
5,661,721.49 : 8,484,184.15 = 4,158,465.17 : x - Step 2: Convert to fraction form
5,661,721.49/8,484,184.15 = 4,158,465.17/x - Step 3: Cross multiply
5,661,721.49x = 8,484,184.15 × 4,158,465.17 - Step 4: Simplify right side
5,661,721.49x = 35,281,184,283,641.05 - Step 5: Solve for x
x = 35,281,184,283,641.05/5,661,721.49 - Step 6: Final answer
x = 6,231,529.46
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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.