Finding the Fourth Proportional to 4,845,638.63, 6,687,026.15 and 2,670,259.63
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Solution
The fourth proportional to 4,845,638.63, 6,687,026.15 and 2,670,259.63 is: 3,684,983.01
Step by Step Solution
- Step 1: Write the proportion equation
4,845,638.63 : 6,687,026.15 = 2,670,259.63 : x - Step 2: Convert to fraction form
4,845,638.63/6,687,026.15 = 2,670,259.63/x - Step 3: Cross multiply
4,845,638.63x = 6,687,026.15 × 2,670,259.63 - Step 4: Simplify right side
4,845,638.63x = 17,856,096,000,661.93 - Step 5: Solve for x
x = 17,856,096,000,661.93/4,845,638.63 - Step 6: Final answer
x = 3,684,983.01
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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.