Finding the Fourth Proportional to 1,905,992.48, 2,630,269.64 and 1,046,552.74
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Solution
The fourth proportional to 1,905,992.48, 2,630,269.64 and 1,046,552.74 is: 1,444,242.79
Step by Step Solution
- Step 1: Write the proportion equation
1,905,992.48 : 2,630,269.64 = 1,046,552.74 : x - Step 2: Convert to fraction form
1,905,992.48/2,630,269.64 = 1,046,552.74/x - Step 3: Cross multiply
1,905,992.48x = 2,630,269.64 × 1,046,552.74 - Step 4: Simplify right side
1,905,992.48x = 2,752,715,903,629.93 - Step 5: Solve for x
x = 2,752,715,903,629.93/1,905,992.48 - Step 6: Final answer
x = 1,444,242.79
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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.