Finding the Fourth Proportional to 5,508,779.40, 8,257,264.20 and 2,095,747.20
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Solution
The fourth proportional to 5,508,779.40, 8,257,264.20 and 2,095,747.20 is: 3,141,374.35
Step by Step Solution
- Step 1: Write the proportion equation
5,508,779.40 : 8,257,264.20 = 2,095,747.20 : x - Step 2: Convert to fraction form
5,508,779.40/8,257,264.20 = 2,095,747.20/x - Step 3: Cross multiply
5,508,779.40x = 8,257,264.20 × 2,095,747.20 - Step 4: Simplify right side
5,508,779.40x = 17,305,138,326,810.24 - Step 5: Solve for x
x = 17,305,138,326,810.24/5,508,779.40 - Step 6: Final answer
x = 3,141,374.35
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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.