Finding the Fourth Proportional to 1,736,220.80, 2,603,456.40 and 1,026,466.40
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Solution
The fourth proportional to 1,736,220.80, 2,603,456.40 and 1,026,466.40 is: 1,539,182.41
Step by Step Solution
- Step 1: Write the proportion equation
1,736,220.80 : 2,603,456.40 = 1,026,466.40 : x - Step 2: Convert to fraction form
1,736,220.80/2,603,456.40 = 1,026,466.40/x - Step 3: Cross multiply
1,736,220.80x = 2,603,456.40 × 1,026,466.40 - Step 4: Simplify right side
1,736,220.80x = 2,672,360,518,464.96 - Step 5: Solve for x
x = 2,672,360,518,464.96/1,736,220.80 - Step 6: Final answer
x = 1,539,182.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.