Finding the Fourth Proportional to 2,272,931.28, 3,136,720.44 and 1,240,495.44
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Solution
The fourth proportional to 2,272,931.28, 3,136,720.44 and 1,240,495.44 is: 1,711,924.79
Step by Step Solution
- Step 1: Write the proportion equation
2,272,931.28 : 3,136,720.44 = 1,240,495.44 : x - Step 2: Convert to fraction form
2,272,931.28/3,136,720.44 = 1,240,495.44/x - Step 3: Cross multiply
2,272,931.28x = 3,136,720.44 × 1,240,495.44 - Step 4: Simplify right side
2,272,931.28x = 3,891,087,402,374.79 - Step 5: Solve for x
x = 3,891,087,402,374.79/2,272,931.28 - Step 6: Final answer
x = 1,711,924.79
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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.