Finding the Fourth Proportional to 6,381,490.66, 8,806,484.49 and 3,480,944.74
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Solution
The fourth proportional to 6,381,490.66, 8,806,484.49 and 3,480,944.74 is: 4,803,718.68
Step by Step Solution
- Step 1: Write the proportion equation
6,381,490.66 : 8,806,484.49 = 3,480,944.74 : x - Step 2: Convert to fraction form
6,381,490.66/8,806,484.49 = 3,480,944.74/x - Step 3: Cross multiply
6,381,490.66x = 8,806,484.49 × 3,480,944.74 - Step 4: Simplify right side
6,381,490.66x = 30,654,885,863,357.09 - Step 5: Solve for x
x = 30,654,885,863,357.09/6,381,490.66 - Step 6: Final answer
x = 4,803,718.68
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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.