Finding the Fourth Proportional to 6,115,472.42, 8,439,357.34 and 3,362,206.70
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Solution
The fourth proportional to 6,115,472.42, 8,439,357.34 and 3,362,206.70 is: 4,639,848.22
Step by Step Solution
- Step 1: Write the proportion equation
6,115,472.42 : 8,439,357.34 = 3,362,206.70 : x - Step 2: Convert to fraction form
6,115,472.42/8,439,357.34 = 3,362,206.70/x - Step 3: Cross multiply
6,115,472.42x = 8,439,357.34 × 3,362,206.70 - Step 4: Simplify right side
6,115,472.42x = 28,374,863,792,242.18 - Step 5: Solve for x
x = 28,374,863,792,242.18/6,115,472.42 - Step 6: Final answer
x = 4,639,848.22
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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.