Finding the Fourth Proportional to 5,356,396.91, 7,391,871.17 and 2,909,025.48
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Solution
The fourth proportional to 5,356,396.91, 7,391,871.17 and 2,909,025.48 is: 4,014,478.75
Step by Step Solution
- Step 1: Write the proportion equation
5,356,396.91 : 7,391,871.17 = 2,909,025.48 : x - Step 2: Convert to fraction form
5,356,396.91/7,391,871.17 = 2,909,025.48/x - Step 3: Cross multiply
5,356,396.91x = 7,391,871.17 × 2,909,025.48 - Step 4: Simplify right side
5,356,396.91x = 21,503,141,563,862.29 - Step 5: Solve for x
x = 21,503,141,563,862.29/5,356,396.91 - Step 6: Final answer
x = 4,014,478.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.