Finding the Fourth Proportional to 4,938,352.17, 6,815,190.66 and 2,762,765.55
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Solution
The fourth proportional to 4,938,352.17, 6,815,190.66 and 2,762,765.55 is: 3,812,764.53
Step by Step Solution
- Step 1: Write the proportion equation
4,938,352.17 : 6,815,190.66 = 2,762,765.55 : x - Step 2: Convert to fraction form
4,938,352.17/6,815,190.66 = 2,762,765.55/x - Step 3: Cross multiply
4,938,352.17x = 6,815,190.66 × 2,762,765.55 - Step 4: Simplify right side
4,938,352.17x = 18,828,773,972,129.76 - Step 5: Solve for x
x = 18,828,773,972,129.76/4,938,352.17 - Step 6: Final answer
x = 3,812,764.53
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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.