Finding the Fourth Proportional to 5,352,537.42, 7,386,509.74 and 2,905,149.35
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Solution
The fourth proportional to 5,352,537.42, 7,386,509.74 and 2,905,149.35 is: 4,009,110.50
Step by Step Solution
- Step 1: Write the proportion equation
5,352,537.42 : 7,386,509.74 = 2,905,149.35 : x - Step 2: Convert to fraction form
5,352,537.42/7,386,509.74 = 2,905,149.35/x - Step 3: Cross multiply
5,352,537.42x = 7,386,509.74 × 2,905,149.35 - Step 4: Simplify right side
5,352,537.42x = 21,458,913,969,929.67 - Step 5: Solve for x
x = 21,458,913,969,929.67/5,352,537.42 - Step 6: Final answer
x = 4,009,110.50
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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.