Finding the Fourth Proportional to 1,895,497.08, 2,615,782.20 and 1,079,700.48
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Solution
The fourth proportional to 1,895,497.08, 2,615,782.20 and 1,079,700.48 is: 1,489,984.51
Step by Step Solution
- Step 1: Write the proportion equation
1,895,497.08 : 2,615,782.20 = 1,079,700.48 : x - Step 2: Convert to fraction form
1,895,497.08/2,615,782.20 = 1,079,700.48/x - Step 3: Cross multiply
1,895,497.08x = 2,615,782.20 × 1,079,700.48 - Step 4: Simplify right side
1,895,497.08x = 2,824,261,296,915.46 - Step 5: Solve for x
x = 2,824,261,296,915.46/1,895,497.08 - Step 6: Final answer
x = 1,489,984.51
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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.