Finding the Fourth Proportional to 1,740,291.60, 2,402,043.84 and 1,189,230.48
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Solution
The fourth proportional to 1,740,291.60, 2,402,043.84 and 1,189,230.48 is: 1,641,439.72
Step by Step Solution
- Step 1: Write the proportion equation
1,740,291.60 : 2,402,043.84 = 1,189,230.48 : x - Step 2: Convert to fraction form
1,740,291.60/2,402,043.84 = 1,189,230.48/x - Step 3: Cross multiply
1,740,291.60x = 2,402,043.84 × 1,189,230.48 - Step 4: Simplify right side
1,740,291.60x = 2,856,583,748,824.24 - Step 5: Solve for x
x = 2,856,583,748,824.24/1,740,291.60 - Step 6: Final answer
x = 1,641,439.72
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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.