Finding the Fourth Proportional to 1,549,928.90, 2,138,943.44 and 937,951.62
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Solution
The fourth proportional to 1,549,928.90, 2,138,943.44 and 937,951.62 is: 1,294,398.38
Step by Step Solution
- Step 1: Write the proportion equation
1,549,928.90 : 2,138,943.44 = 937,951.62 : x - Step 2: Convert to fraction form
1,549,928.90/2,138,943.44 = 937,951.62/x - Step 3: Cross multiply
1,549,928.90x = 2,138,943.44 × 937,951.62 - Step 4: Simplify right side
1,549,928.90x = 2,006,225,464,636.37 - Step 5: Solve for x
x = 2,006,225,464,636.37/1,549,928.90 - Step 6: Final answer
x = 1,294,398.38
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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.