Finding the Fourth Proportional to 1,374,294.72, 1,896,139.08 and 890,880.24
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Solution
The fourth proportional to 1,374,294.72, 1,896,139.08 and 890,880.24 is: 1,229,163.45
Step by Step Solution
- Step 1: Write the proportion equation
1,374,294.72 : 1,896,139.08 = 890,880.24 : x - Step 2: Convert to fraction form
1,374,294.72/1,896,139.08 = 890,880.24/x - Step 3: Cross multiply
1,374,294.72x = 1,896,139.08 × 890,880.24 - Step 4: Simplify right side
1,374,294.72x = 1,689,232,838,663.78 - Step 5: Solve for x
x = 1,689,232,838,663.78/1,374,294.72 - Step 6: Final answer
x = 1,229,163.45
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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.