Finding the Fourth Proportional to 2,157,305.70, 3,235,117.59 and 808,732.48
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Solution
The fourth proportional to 2,157,305.70, 3,235,117.59 and 808,732.48 is: 1,212,783.45
Step by Step Solution
- Step 1: Write the proportion equation
2,157,305.70 : 3,235,117.59 = 808,732.48 : x - Step 2: Convert to fraction form
2,157,305.70/3,235,117.59 = 808,732.48/x - Step 3: Cross multiply
2,157,305.70x = 3,235,117.59 × 808,732.48 - Step 4: Simplify right side
2,157,305.70x = 2,616,344,657,119.81 - Step 5: Solve for x
x = 2,616,344,657,119.81/2,157,305.70 - Step 6: Final answer
x = 1,212,783.45
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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.