Finding the Fourth Proportional to 1,820,713.77, 2,730,197.61 and 860,370.03
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Solution
The fourth proportional to 1,820,713.77, 2,730,197.61 and 860,370.03 is: 1,290,142.49
Step by Step Solution
- Step 1: Write the proportion equation
1,820,713.77 : 2,730,197.61 = 860,370.03 : x - Step 2: Convert to fraction form
1,820,713.77/2,730,197.61 = 860,370.03/x - Step 3: Cross multiply
1,820,713.77x = 2,730,197.61 × 860,370.03 - Step 4: Simplify right side
1,820,713.77x = 2,348,980,199,621.63 - Step 5: Solve for x
x = 2,348,980,199,621.63/1,820,713.77 - Step 6: Final answer
x = 1,290,142.49
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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.