Finding the Fourth Proportional to 2,545,302.39, 3,512,427.55 and 1,399,373.92
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Solution
The fourth proportional to 2,545,302.39, 3,512,427.55 and 1,399,373.92 is: 1,931,086.67
Step by Step Solution
- Step 1: Write the proportion equation
2,545,302.39 : 3,512,427.55 = 1,399,373.92 : x - Step 2: Convert to fraction form
2,545,302.39/3,512,427.55 = 1,399,373.92/x - Step 3: Cross multiply
2,545,302.39x = 3,512,427.55 × 1,399,373.92 - Step 4: Simplify right side
2,545,302.39x = 4,915,199,518,123.07 - Step 5: Solve for x
x = 4,915,199,518,123.07/2,545,302.39 - Step 6: Final answer
x = 1,931,086.67
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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.