Finding the Fourth Proportional to 7,792,832.21, 11,690,492.47 and 2,400,176.21
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Solution
The fourth proportional to 7,792,832.21, 11,690,492.47 and 2,400,176.21 is: 3,600,647.51
Step by Step Solution
- Step 1: Write the proportion equation
7,792,832.21 : 11,690,492.47 = 2,400,176.21 : x - Step 2: Convert to fraction form
7,792,832.21/11,690,492.47 = 2,400,176.21/x - Step 3: Cross multiply
7,792,832.21x = 11,690,492.47 × 2,400,176.21 - Step 4: Simplify right side
7,792,832.21x = 28,059,241,845,225.23 - Step 5: Solve for x
x = 28,059,241,845,225.23/7,792,832.21 - Step 6: Final answer
x = 3,600,647.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.