Finding the Fourth Proportional to 3,896,602.63, 5,377,319.40 and 2,177,723.08
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Solution
The fourth proportional to 3,896,602.63, 5,377,319.40 and 2,177,723.08 is: 3,005,262.19
Step by Step Solution
- Step 1: Write the proportion equation
3,896,602.63 : 5,377,319.40 = 2,177,723.08 : x - Step 2: Convert to fraction form
3,896,602.63/5,377,319.40 = 2,177,723.08/x - Step 3: Cross multiply
3,896,602.63x = 5,377,319.40 × 2,177,723.08 - Step 4: Simplify right side
3,896,602.63x = 11,710,312,565,911.75 - Step 5: Solve for x
x = 11,710,312,565,911.75/3,896,602.63 - Step 6: Final answer
x = 3,005,262.19
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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.