Finding the Fourth Proportional to 6,239,637.16, 8,609,907.76 and 3,660,376.84
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Solution
The fourth proportional to 6,239,637.16, 8,609,907.76 and 3,660,376.84 is: 5,050,855.70
Step by Step Solution
- Step 1: Write the proportion equation
6,239,637.16 : 8,609,907.76 = 3,660,376.84 : x - Step 2: Convert to fraction form
6,239,637.16/8,609,907.76 = 3,660,376.84/x - Step 3: Cross multiply
6,239,637.16x = 8,609,907.76 × 3,660,376.84 - Step 4: Simplify right side
6,239,637.16x = 31,515,506,928,564.57 - Step 5: Solve for x
x = 31,515,506,928,564.57/6,239,637.16 - Step 6: Final answer
x = 5,050,855.70
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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.