Finding the Fourth Proportional to 1,938,135.74, 2,907,663.70 and 608,439.74
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Solution
The fourth proportional to 1,938,135.74, 2,907,663.70 and 608,439.74 is: 912,804.05
Step by Step Solution
- Step 1: Write the proportion equation
1,938,135.74 : 2,907,663.70 = 608,439.74 : x - Step 2: Convert to fraction form
1,938,135.74/2,907,663.70 = 608,439.74/x - Step 3: Cross multiply
1,938,135.74x = 2,907,663.70 × 608,439.74 - Step 4: Simplify right side
1,938,135.74x = 1,769,138,145,635.44 - Step 5: Solve for x
x = 1,769,138,145,635.44/1,938,135.74 - Step 6: Final answer
x = 912,804.05
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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.