Finding the Fourth Proportional to 4,913,980.92, 6,781,316.40 and 2,850,218.37
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Solution
The fourth proportional to 4,913,980.92, 6,781,316.40 and 2,850,218.37 is: 3,933,314.53
Step by Step Solution
- Step 1: Write the proportion equation
4,913,980.92 : 6,781,316.40 = 2,850,218.37 : x - Step 2: Convert to fraction form
4,913,980.92/6,781,316.40 = 2,850,218.37/x - Step 3: Cross multiply
4,913,980.92x = 6,781,316.40 × 2,850,218.37 - Step 4: Simplify right side
4,913,980.92x = 19,328,232,576,062.27 - Step 5: Solve for x
x = 19,328,232,576,062.27/4,913,980.92 - Step 6: Final answer
x = 3,933,314.53
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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.