Finding the Fourth Proportional to 6,118,784.20, 8,445,702.18 and 4,081,588.84
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Solution
The fourth proportional to 6,118,784.20, 8,445,702.18 and 4,081,588.84 is: 5,633,779.95
Step by Step Solution
- Step 1: Write the proportion equation
6,118,784.20 : 8,445,702.18 = 4,081,588.84 : x - Step 2: Convert to fraction form
6,118,784.20/8,445,702.18 = 4,081,588.84/x - Step 3: Cross multiply
6,118,784.20x = 8,445,702.18 × 4,081,588.84 - Step 4: Simplify right side
6,118,784.20x = 34,471,883,763,851.67 - Step 5: Solve for x
x = 34,471,883,763,851.67/6,118,784.20 - Step 6: Final answer
x = 5,633,779.95
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1.5x scale
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.