Finding the Fourth Proportional to 1,657,986.70, 2,486,980.05 and 859,002.70
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Solution
The fourth proportional to 1,657,986.70, 2,486,980.05 and 859,002.70 is: 1,288,504.05
Step by Step Solution
- Step 1: Write the proportion equation
1,657,986.70 : 2,486,980.05 = 859,002.70 : x - Step 2: Convert to fraction form
1,657,986.70/2,486,980.05 = 859,002.70/x - Step 3: Cross multiply
1,657,986.70x = 2,486,980.05 × 859,002.70 - Step 4: Simplify right side
1,657,986.70x = 2,136,322,577,796.13 - Step 5: Solve for x
x = 2,136,322,577,796.13/1,657,986.70 - Step 6: Final answer
x = 1,288,504.05
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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.