Finding the Fourth Proportional to 4,938,540.90, 7,407,811.35 and 4,403,163.30
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Solution
The fourth proportional to 4,938,540.90, 7,407,811.35 and 4,403,163.30 is: 6,604,744.95
Step by Step Solution
- Step 1: Write the proportion equation
4,938,540.90 : 7,407,811.35 = 4,403,163.30 : x - Step 2: Convert to fraction form
4,938,540.90/7,407,811.35 = 4,403,163.30/x - Step 3: Cross multiply
4,938,540.90x = 7,407,811.35 × 4,403,163.30 - Step 4: Simplify right side
4,938,540.90x = 32,617,803,069,643.45 - Step 5: Solve for x
x = 32,617,803,069,643.45/4,938,540.90 - Step 6: Final answer
x = 6,604,744.95
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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.