Finding the Fourth Proportional to 3,887,486.64, 5,831,187.84 and 1,328,677.20
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Solution
The fourth proportional to 3,887,486.64, 5,831,187.84 and 1,328,677.20 is: 1,993,001.40
Step by Step Solution
- Step 1: Write the proportion equation
3,887,486.64 : 5,831,187.84 = 1,328,677.20 : x - Step 2: Convert to fraction form
3,887,486.64/5,831,187.84 = 1,328,677.20/x - Step 3: Cross multiply
3,887,486.64x = 5,831,187.84 × 1,328,677.20 - Step 4: Simplify right side
3,887,486.64x = 7,747,766,331,925.25 - Step 5: Solve for x
x = 7,747,766,331,925.25/3,887,486.64 - Step 6: Final answer
x = 1,993,001.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.