Finding the Fourth Proportional to 2,038,702.08, 2,813,349.30 and 1,120,930.32
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Solution
The fourth proportional to 2,038,702.08, 2,813,349.30 and 1,120,930.32 is: 1,546,851.09
Step by Step Solution
- Step 1: Write the proportion equation
2,038,702.08 : 2,813,349.30 = 1,120,930.32 : x - Step 2: Convert to fraction form
2,038,702.08/2,813,349.30 = 1,120,930.32/x - Step 3: Cross multiply
2,038,702.08x = 2,813,349.30 × 1,120,930.32 - Step 4: Simplify right side
2,038,702.08x = 3,153,568,531,120.78 - Step 5: Solve for x
x = 3,153,568,531,120.78/2,038,702.08 - Step 6: Final answer
x = 1,546,851.09
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1.5x scale
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.