Finding the Fourth Proportional to 2,136,798.76, 2,948,782.44 and 1,169,929.12
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Solution
The fourth proportional to 2,136,798.76, 2,948,782.44 and 1,169,929.12 is: 1,614,502.27
Step by Step Solution
- Step 1: Write the proportion equation
2,136,798.76 : 2,948,782.44 = 1,169,929.12 : x - Step 2: Convert to fraction form
2,136,798.76/2,948,782.44 = 1,169,929.12/x - Step 3: Cross multiply
2,136,798.76x = 2,948,782.44 × 1,169,929.12 - Step 4: Simplify right side
2,136,798.76x = 3,449,866,445,100.65 - Step 5: Solve for x
x = 3,449,866,445,100.65/2,136,798.76 - Step 6: Final answer
x = 1,614,502.27
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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.