Finding the Fourth Proportional to 2,655,478.54, 3,983,211.73 and 1,138,177.63
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Solution
The fourth proportional to 2,655,478.54, 3,983,211.73 and 1,138,177.63 is: 1,707,263.84
Step by Step Solution
- Step 1: Write the proportion equation
2,655,478.54 : 3,983,211.73 = 1,138,177.63 : x - Step 2: Convert to fraction form
2,655,478.54/3,983,211.73 = 1,138,177.63/x - Step 3: Cross multiply
2,655,478.54x = 3,983,211.73 × 1,138,177.63 - Step 4: Simplify right side
2,655,478.54x = 4,533,602,473,836.13 - Step 5: Solve for x
x = 4,533,602,473,836.13/2,655,478.54 - Step 6: Final answer
x = 1,707,263.84
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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.