Finding the Fourth Proportional to 6,782,329.12, 10,175,069.36 and 1,989,824.80
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Solution
The fourth proportional to 6,782,329.12, 10,175,069.36 and 1,989,824.80 is: 2,985,199.48
Step by Step Solution
- Step 1: Write the proportion equation
6,782,329.12 : 10,175,069.36 = 1,989,824.80 : x - Step 2: Convert to fraction form
6,782,329.12/10,175,069.36 = 1,989,824.80/x - Step 3: Cross multiply
6,782,329.12x = 10,175,069.36 × 1,989,824.80 - Step 4: Simplify right side
6,782,329.12x = 20,246,605,354,248.13 - Step 5: Solve for x
x = 20,246,605,354,248.13/6,782,329.12 - Step 6: Final answer
x = 2,985,199.48
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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.