Finding the Fourth Proportional to 4,247,722.52, 6,374,756.94 and 2,878,249.06
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Solution
The fourth proportional to 4,247,722.52, 6,374,756.94 and 2,878,249.06 is: 4,319,523.72
Step by Step Solution
- Step 1: Write the proportion equation
4,247,722.52 : 6,374,756.94 = 2,878,249.06 : x - Step 2: Convert to fraction form
4,247,722.52/6,374,756.94 = 2,878,249.06/x - Step 3: Cross multiply
4,247,722.52x = 6,374,756.94 × 2,878,249.06 - Step 4: Simplify right side
4,247,722.52x = 18,348,138,154,346.59 - Step 5: Solve for x
x = 18,348,138,154,346.59/4,247,722.52 - Step 6: Final answer
x = 4,319,523.72
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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.