Finding the Fourth Proportional to 2,128,886.70, 3,193,840.35 and 708,955.08
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Solution
The fourth proportional to 2,128,886.70, 3,193,840.35 and 708,955.08 is: 1,063,602.56
Step by Step Solution
- Step 1: Write the proportion equation
2,128,886.70 : 3,193,840.35 = 708,955.08 : x - Step 2: Convert to fraction form
2,128,886.70/3,193,840.35 = 708,955.08/x - Step 3: Cross multiply
2,128,886.70x = 3,193,840.35 × 708,955.08 - Step 4: Simplify right side
2,128,886.70x = 2,264,289,340,841.48 - Step 5: Solve for x
x = 2,264,289,340,841.48/2,128,886.70 - Step 6: Final answer
x = 1,063,602.56
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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.