Finding the Fourth Proportional to 6,464,334.75, 8,920,850.67 and 3,563,829.42
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Solution
The fourth proportional to 6,464,334.75, 8,920,850.67 and 3,563,829.42 is: 4,918,122.48
Step by Step Solution
- Step 1: Write the proportion equation
6,464,334.75 : 8,920,850.67 = 3,563,829.42 : x - Step 2: Convert to fraction form
6,464,334.75/8,920,850.67 = 3,563,829.42/x - Step 3: Cross multiply
6,464,334.75x = 8,920,850.67 × 3,563,829.42 - Step 4: Simplify right side
6,464,334.75x = 31,792,390,069,172.71 - Step 5: Solve for x
x = 31,792,390,069,172.71/6,464,334.75 - Step 6: Final answer
x = 4,918,122.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.