Finding the Fourth Proportional to 4,357,138.98, 6,012,430.56 and 2,521,231.05
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Solution
The fourth proportional to 4,357,138.98, 6,012,430.56 and 2,521,231.05 is: 3,479,055.11
Step by Step Solution
- Step 1: Write the proportion equation
4,357,138.98 : 6,012,430.56 = 2,521,231.05 : x - Step 2: Convert to fraction form
4,357,138.98/6,012,430.56 = 2,521,231.05/x - Step 3: Cross multiply
4,357,138.98x = 6,012,430.56 × 2,521,231.05 - Step 4: Simplify right side
4,357,138.98x = 15,158,726,613,840.89 - Step 5: Solve for x
x = 15,158,726,613,840.89/4,357,138.98 - Step 6: Final answer
x = 3,479,055.11
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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.