Finding the Fourth Proportional to 1,609,904.70, 2,221,560.88 and 884,736.81
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Solution
The fourth proportional to 1,609,904.70, 2,221,560.88 and 884,736.81 is: 1,220,877.66
Step by Step Solution
- Step 1: Write the proportion equation
1,609,904.70 : 2,221,560.88 = 884,736.81 : x - Step 2: Convert to fraction form
1,609,904.70/2,221,560.88 = 884,736.81/x - Step 3: Cross multiply
1,609,904.70x = 2,221,560.88 × 884,736.81 - Step 4: Simplify right side
1,609,904.70x = 1,965,496,683,980.15 - Step 5: Solve for x
x = 1,965,496,683,980.15/1,609,904.70 - Step 6: Final answer
x = 1,220,877.66
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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.