Finding the Fourth Proportional to 1,557,196.94, 2,148,525.08 and 912,270.44
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Solution
The fourth proportional to 1,557,196.94, 2,148,525.08 and 912,270.44 is: 1,258,694.95
Step by Step Solution
- Step 1: Write the proportion equation
1,557,196.94 : 2,148,525.08 = 912,270.44 : x - Step 2: Convert to fraction form
1,557,196.94/2,148,525.08 = 912,270.44/x - Step 3: Cross multiply
1,557,196.94x = 2,148,525.08 × 912,270.44 - Step 4: Simplify right side
1,557,196.94x = 1,960,035,920,082.64 - Step 5: Solve for x
x = 1,960,035,920,082.64/1,557,196.94 - Step 6: Final answer
x = 1,258,694.95
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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.