Finding the Fourth Proportional to 1,792,138.51, 2,688,207.76 and 1,043,659.63
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Solution
The fourth proportional to 1,792,138.51, 2,688,207.76 and 1,043,659.63 is: 1,565,489.44
Step by Step Solution
- Step 1: Write the proportion equation
1,792,138.51 : 2,688,207.76 = 1,043,659.63 : x - Step 2: Convert to fraction form
1,792,138.51/2,688,207.76 = 1,043,659.63/x - Step 3: Cross multiply
1,792,138.51x = 2,688,207.76 × 1,043,659.63 - Step 4: Simplify right side
1,792,138.51x = 2,805,573,916,164.73 - Step 5: Solve for x
x = 2,805,573,916,164.73/1,792,138.51 - Step 6: Final answer
x = 1,565,489.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.