Finding the Fourth Proportional to 2,042,191.70, 2,818,291.68 and 1,124,488.22
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Solution
The fourth proportional to 2,042,191.70, 2,818,291.68 and 1,124,488.22 is: 1,551,830.72
Step by Step Solution
- Step 1: Write the proportion equation
2,042,191.70 : 2,818,291.68 = 1,124,488.22 : x - Step 2: Convert to fraction form
2,042,191.70/2,818,291.68 = 1,124,488.22/x - Step 3: Cross multiply
2,042,191.70x = 2,818,291.68 × 1,124,488.22 - Step 4: Simplify right side
2,042,191.70x = 3,169,135,801,729.74 - Step 5: Solve for x
x = 3,169,135,801,729.74/2,042,191.70 - Step 6: Final answer
x = 1,551,830.72
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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.