Finding the Fourth Proportional to 1,663,352.84, 2,295,331.72 and 938,157.28
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Solution
The fourth proportional to 1,663,352.84, 2,295,331.72 and 938,157.28 is: 1,294,603.35
Step by Step Solution
- Step 1: Write the proportion equation
1,663,352.84 : 2,295,331.72 = 938,157.28 : x - Step 2: Convert to fraction form
1,663,352.84/2,295,331.72 = 938,157.28/x - Step 3: Cross multiply
1,663,352.84x = 2,295,331.72 × 938,157.28 - Step 4: Simplify right side
1,663,352.84x = 2,153,382,163,132.92 - Step 5: Solve for x
x = 2,153,382,163,132.92/1,663,352.84 - Step 6: Final answer
x = 1,294,603.35
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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.