Finding the Fourth Proportional to 4,900,474.89, 6,769,570.74 and 3,926,881.44
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Solution
The fourth proportional to 4,900,474.89, 6,769,570.74 and 3,926,881.44 is: 5,424,637.88
Step by Step Solution
- Step 1: Write the proportion equation
4,900,474.89 : 6,769,570.74 = 3,926,881.44 : x - Step 2: Convert to fraction form
4,900,474.89/6,769,570.74 = 3,926,881.44/x - Step 3: Cross multiply
4,900,474.89x = 6,769,570.74 × 3,926,881.44 - Step 4: Simplify right side
4,900,474.89x = 26,583,301,695,673.07 - Step 5: Solve for x
x = 26,583,301,695,673.07/4,900,474.89 - Step 6: Final answer
x = 5,424,637.88
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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.