Finding the Fourth Proportional to 1,927,439.85, 2,889,125.26 and 646,833.09
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Solution
The fourth proportional to 1,927,439.85, 2,889,125.26 and 646,833.09 is: 969,566.87
Step by Step Solution
- Step 1: Write the proportion equation
1,927,439.85 : 2,889,125.26 = 646,833.09 : x - Step 2: Convert to fraction form
1,927,439.85/2,889,125.26 = 646,833.09/x - Step 3: Cross multiply
1,927,439.85x = 2,889,125.26 × 646,833.09 - Step 4: Simplify right side
1,927,439.85x = 1,868,781,819,322.85 - Step 5: Solve for x
x = 1,868,781,819,322.85/1,927,439.85 - Step 6: Final answer
x = 969,566.87
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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.