Finding the Fourth Proportional to 2,938,248.10, 4,407,372.15 and 943,905.70
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Solution
The fourth proportional to 2,938,248.10, 4,407,372.15 and 943,905.70 is: 1,415,858.55
Step by Step Solution
- Step 1: Write the proportion equation
2,938,248.10 : 4,407,372.15 = 943,905.70 : x - Step 2: Convert to fraction form
2,938,248.10/4,407,372.15 = 943,905.70/x - Step 3: Cross multiply
2,938,248.10x = 4,407,372.15 × 943,905.70 - Step 4: Simplify right side
2,938,248.10x = 4,160,143,694,406.26 - Step 5: Solve for x
x = 4,160,143,694,406.26/2,938,248.10 - Step 6: Final answer
x = 1,415,858.55
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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.