Finding the Fourth Proportional to 1,702,780.93, 2,349,853.55 and 938,861.65
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Solution
The fourth proportional to 1,702,780.93, 2,349,853.55 and 938,861.65 is: 1,295,637.83
Step by Step Solution
- Step 1: Write the proportion equation
1,702,780.93 : 2,349,853.55 = 938,861.65 : x - Step 2: Convert to fraction form
1,702,780.93/2,349,853.55 = 938,861.65/x - Step 3: Cross multiply
1,702,780.93x = 2,349,853.55 × 938,861.65 - Step 4: Simplify right side
1,702,780.93x = 2,206,187,381,211.36 - Step 5: Solve for x
x = 2,206,187,381,211.36/1,702,780.93 - Step 6: Final answer
x = 1,295,637.83
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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.