Finding the Fourth Proportional to 3,136,844.80, 4,708,766.40 and 2,931,266.80
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Solution
The fourth proportional to 3,136,844.80, 4,708,766.40 and 2,931,266.80 is: 4,400,170.07
Step by Step Solution
- Step 1: Write the proportion equation
3,136,844.80 : 4,708,766.40 = 2,931,266.80 : x - Step 2: Convert to fraction form
3,136,844.80/4,708,766.40 = 2,931,266.80/x - Step 3: Cross multiply
3,136,844.80x = 4,708,766.40 × 2,931,266.80 - Step 4: Simplify right side
3,136,844.80x = 13,802,650,617,275.52 - Step 5: Solve for x
x = 13,802,650,617,275.52/3,136,844.80 - Step 6: Final answer
x = 4,400,170.07
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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.