Finding the Fourth Proportional to 2,405,582.08, 3,319,702.99 and 1,438,712.22
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Solution
The fourth proportional to 2,405,582.08, 3,319,702.99 and 1,438,712.22 is: 1,985,422.70
Step by Step Solution
- Step 1: Write the proportion equation
2,405,582.08 : 3,319,702.99 = 1,438,712.22 : x - Step 2: Convert to fraction form
2,405,582.08/3,319,702.99 = 1,438,712.22/x - Step 3: Cross multiply
2,405,582.08x = 3,319,702.99 × 1,438,712.22 - Step 4: Simplify right side
2,405,582.08x = 4,776,097,258,483.54 - Step 5: Solve for x
x = 4,776,097,258,483.54/2,405,582.08 - Step 6: Final answer
x = 1,985,422.70
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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.