Finding the Fourth Proportional to 2,974,402.70, 4,104,634.39 and 1,649,786.00
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Solution
The fourth proportional to 2,974,402.70, 4,104,634.39 and 1,649,786.00 is: 2,276,681.76
Step by Step Solution
- Step 1: Write the proportion equation
2,974,402.70 : 4,104,634.39 = 1,649,786.00 : x - Step 2: Convert to fraction form
2,974,402.70/4,104,634.39 = 1,649,786.00/x - Step 3: Cross multiply
2,974,402.70x = 4,104,634.39 × 1,649,786.00 - Step 4: Simplify right side
2,974,402.70x = 6,771,768,359,405.99 - Step 5: Solve for x
x = 6,771,768,359,405.99/2,974,402.70 - Step 6: Final answer
x = 2,276,681.76
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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.