Finding the Fourth Proportional to 1,838,147.84, 2,538,577.92 and 1,637,772.80
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Solution
The fourth proportional to 1,838,147.84, 2,538,577.92 and 1,637,772.80 is: 2,261,849.55
Step by Step Solution
- Step 1: Write the proportion equation
1,838,147.84 : 2,538,577.92 = 1,637,772.80 : x - Step 2: Convert to fraction form
1,838,147.84/2,538,577.92 = 1,637,772.80/x - Step 3: Cross multiply
1,838,147.84x = 2,538,577.92 × 1,637,772.80 - Step 4: Simplify right side
1,838,147.84x = 4,157,613,868,056.58 - Step 5: Solve for x
x = 4,157,613,868,056.58/1,838,147.84 - Step 6: Final answer
x = 2,261,849.55
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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.