Finding the Fourth Proportional to 4,853,056.87, 7,279,587.74 and 1,658,214.37
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Solution
The fourth proportional to 4,853,056.87, 7,279,587.74 and 1,658,214.37 is: 2,487,322.39
Step by Step Solution
- Step 1: Write the proportion equation
4,853,056.87 : 7,279,587.74 = 1,658,214.37 : x - Step 2: Convert to fraction form
4,853,056.87/7,279,587.74 = 1,658,214.37/x - Step 3: Cross multiply
4,853,056.87x = 7,279,587.74 × 1,658,214.37 - Step 4: Simplify right side
4,853,056.87x = 12,071,116,989,852.75 - Step 5: Solve for x
x = 12,071,116,989,852.75/4,853,056.87 - Step 6: Final answer
x = 2,487,322.39
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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.