Finding the Fourth Proportional to 1,692,427.14, 2,538,725.36 and 555,088.73
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Solution
The fourth proportional to 1,692,427.14, 2,538,725.36 and 555,088.73 is: 832,660.85
Step by Step Solution
- Step 1: Write the proportion equation
1,692,427.14 : 2,538,725.36 = 555,088.73 : x - Step 2: Convert to fraction form
1,692,427.14/2,538,725.36 = 555,088.73/x - Step 3: Cross multiply
1,692,427.14x = 2,538,725.36 × 555,088.73 - Step 4: Simplify right side
1,692,427.14x = 1,409,217,820,432.12 - Step 5: Solve for x
x = 1,409,217,820,432.12/1,692,427.14 - Step 6: Final answer
x = 832,660.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.