Finding the Fourth Proportional to 1,728,366.20, 2,592,549.30 and 1,623,303.80
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Solution
The fourth proportional to 1,728,366.20, 2,592,549.30 and 1,623,303.80 is: 2,434,955.70
Step by Step Solution
- Step 1: Write the proportion equation
1,728,366.20 : 2,592,549.30 = 1,623,303.80 : x - Step 2: Convert to fraction form
1,728,366.20/2,592,549.30 = 1,623,303.80/x - Step 3: Cross multiply
1,728,366.20x = 2,592,549.30 × 1,623,303.80 - Step 4: Simplify right side
1,728,366.20x = 4,208,495,130,377.34 - Step 5: Solve for x
x = 4,208,495,130,377.34/1,728,366.20 - Step 6: Final answer
x = 2,434,955.70
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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.