Finding the Fourth Proportional to 2,679,170.28, 3,697,240.20 and 1,455,466.02
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Solution
The fourth proportional to 2,679,170.28, 3,697,240.20 and 1,455,466.02 is: 2,008,535.07
Step by Step Solution
- Step 1: Write the proportion equation
2,679,170.28 : 3,697,240.20 = 1,455,466.02 : x - Step 2: Convert to fraction form
2,679,170.28/3,697,240.20 = 1,455,466.02/x - Step 3: Cross multiply
2,679,170.28x = 3,697,240.20 × 1,455,466.02 - Step 4: Simplify right side
2,679,170.28x = 5,381,207,478,878.00 - Step 5: Solve for x
x = 5,381,207,478,878.00/2,679,170.28 - Step 6: Final answer
x = 2,008,535.07
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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.