Finding the Fourth Proportional to 1,667,704.84, 2,302,226.10 and 1,117,368.16
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Solution
The fourth proportional to 1,667,704.84, 2,302,226.10 and 1,117,368.16 is: 1,542,499.66
Step by Step Solution
- Step 1: Write the proportion equation
1,667,704.84 : 2,302,226.10 = 1,117,368.16 : x - Step 2: Convert to fraction form
1,667,704.84/2,302,226.10 = 1,117,368.16/x - Step 3: Cross multiply
1,667,704.84x = 2,302,226.10 × 1,117,368.16 - Step 4: Simplify right side
1,667,704.84x = 2,572,434,141,260.98 - Step 5: Solve for x
x = 2,572,434,141,260.98/1,667,704.84 - Step 6: Final answer
x = 1,542,499.66
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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.