Finding the Fourth Proportional to 1,973,087.28, 2,725,474.64 and 1,587,355.53
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Solution
The fourth proportional to 1,973,087.28, 2,725,474.64 and 1,587,355.53 is: 2,192,653.76
Step by Step Solution
- Step 1: Write the proportion equation
1,973,087.28 : 2,725,474.64 = 1,587,355.53 : x - Step 2: Convert to fraction form
1,973,087.28/2,725,474.64 = 1,587,355.53/x - Step 3: Cross multiply
1,973,087.28x = 2,725,474.64 × 1,587,355.53 - Step 4: Simplify right side
1,973,087.28x = 4,326,297,238,852.25 - Step 5: Solve for x
x = 4,326,297,238,852.25/1,973,087.28 - Step 6: Final answer
x = 2,192,653.76
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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.