Finding the Fourth Proportional to 6,277,026.40, 9,415,539.60 and 2,017,625.20
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Solution
The fourth proportional to 6,277,026.40, 9,415,539.60 and 2,017,625.20 is: 3,026,437.80
Step by Step Solution
- Step 1: Write the proportion equation
6,277,026.40 : 9,415,539.60 = 2,017,625.20 : x - Step 2: Convert to fraction form
6,277,026.40/9,415,539.60 = 2,017,625.20/x - Step 3: Cross multiply
6,277,026.40x = 9,415,539.60 × 2,017,625.20 - Step 4: Simplify right side
6,277,026.40x = 18,997,029,968,557.92 - Step 5: Solve for x
x = 18,997,029,968,557.92/6,277,026.40 - Step 6: Final answer
x = 3,026,437.80
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Double scale
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1.5x scale
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.