Finding the Fourth Proportional to 4,375,366.40, 6,551,990.40 and 2,871,315.20
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Solution
The fourth proportional to 4,375,366.40, 6,551,990.40 and 2,871,315.20 is: 4,299,715.25
Step by Step Solution
- Step 1: Write the proportion equation
4,375,366.40 : 6,551,990.40 = 2,871,315.20 : x - Step 2: Convert to fraction form
4,375,366.40/6,551,990.40 = 2,871,315.20/x - Step 3: Cross multiply
4,375,366.40x = 6,551,990.40 × 2,871,315.20 - Step 4: Simplify right side
4,375,366.40x = 18,812,829,625,774.08 - Step 5: Solve for x
x = 18,812,829,625,774.08/4,375,366.40 - Step 6: Final answer
x = 4,299,715.25
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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.