Finding the Fourth Proportional to 3,136,119.55, 4,323,263.99 and 2,216,726.62
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Solution
The fourth proportional to 3,136,119.55, 4,323,263.99 and 2,216,726.62 is: 3,055,844.72
Step by Step Solution
- Step 1: Write the proportion equation
3,136,119.55 : 4,323,263.99 = 2,216,726.62 : x - Step 2: Convert to fraction form
3,136,119.55/4,323,263.99 = 2,216,726.62/x - Step 3: Cross multiply
3,136,119.55x = 4,323,263.99 × 2,216,726.62 - Step 4: Simplify right side
3,136,119.55x = 9,583,494,350,028.62 - Step 5: Solve for x
x = 9,583,494,350,028.62/3,136,119.55 - Step 6: Final answer
x = 3,055,844.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.