Finding the Fourth Proportional to 4,820,779.06, 6,652,656.84 and 2,645,358.60
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Solution
The fourth proportional to 4,820,779.06, 6,652,656.84 and 2,645,358.60 is: 3,650,584.85
Step by Step Solution
- Step 1: Write the proportion equation
4,820,779.06 : 6,652,656.84 = 2,645,358.60 : x - Step 2: Convert to fraction form
4,820,779.06/6,652,656.84 = 2,645,358.60/x - Step 3: Cross multiply
4,820,779.06x = 6,652,656.84 × 2,645,358.60 - Step 4: Simplify right side
4,820,779.06x = 17,598,662,984,542.82 - Step 5: Solve for x
x = 17,598,662,984,542.82/4,820,779.06 - Step 6: Final answer
x = 3,650,584.85
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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.