Finding the Fourth Proportional to 2,607,430.20, 3,911,145.30 and 2,512,951.80
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Solution
The fourth proportional to 2,607,430.20, 3,911,145.30 and 2,512,951.80 is: 3,769,427.70
Step by Step Solution
- Step 1: Write the proportion equation
2,607,430.20 : 3,911,145.30 = 2,512,951.80 : x - Step 2: Convert to fraction form
2,607,430.20/3,911,145.30 = 2,512,951.80/x - Step 3: Cross multiply
2,607,430.20x = 3,911,145.30 × 2,512,951.80 - Step 4: Simplify right side
2,607,430.20x = 9,828,519,621,696.54 - Step 5: Solve for x
x = 9,828,519,621,696.54/2,607,430.20 - Step 6: Final answer
x = 3,769,427.70
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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.