Finding the Fourth Proportional to 1,889,010.14, 2,605,851.86 and 1,199,502.30
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Solution
The fourth proportional to 1,889,010.14, 2,605,851.86 and 1,199,502.30 is: 1,654,689.53
Step by Step Solution
- Step 1: Write the proportion equation
1,889,010.14 : 2,605,851.86 = 1,199,502.30 : x - Step 2: Convert to fraction form
1,889,010.14/2,605,851.86 = 1,199,502.30/x - Step 3: Cross multiply
1,889,010.14x = 2,605,851.86 × 1,199,502.30 - Step 4: Simplify right side
1,889,010.14x = 3,125,725,299,529.28 - Step 5: Solve for x
x = 3,125,725,299,529.28/1,889,010.14 - Step 6: Final answer
x = 1,654,689.53
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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.