Finding the Fourth Proportional to 4,984,720.12, 7,477,140.12 and 1,390,268.17
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Solution
The fourth proportional to 4,984,720.12, 7,477,140.12 and 1,390,268.17 is: 2,085,418.97
Step by Step Solution
- Step 1: Write the proportion equation
4,984,720.12 : 7,477,140.12 = 1,390,268.17 : x - Step 2: Convert to fraction form
4,984,720.12/7,477,140.12 = 1,390,268.17/x - Step 3: Cross multiply
4,984,720.12x = 7,477,140.12 × 1,390,268.17 - Step 4: Simplify right side
4,984,720.12x = 10,395,229,911,465.98 - Step 5: Solve for x
x = 10,395,229,911,465.98/4,984,720.12 - Step 6: Final answer
x = 2,085,418.97
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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.