Finding the Fourth Proportional to 1,883,018.90, 2,598,686.81 and 1,056,170.09
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Solution
The fourth proportional to 1,883,018.90, 2,598,686.81 and 1,056,170.09 is: 1,457,582.43
Step by Step Solution
- Step 1: Write the proportion equation
1,883,018.90 : 2,598,686.81 = 1,056,170.09 : x - Step 2: Convert to fraction form
1,883,018.90/2,598,686.81 = 1,056,170.09/x - Step 3: Cross multiply
1,883,018.90x = 2,598,686.81 × 1,056,170.09 - Step 4: Simplify right side
1,883,018.90x = 2,744,655,263,725.23 - Step 5: Solve for x
x = 2,744,655,263,725.23/1,883,018.90 - Step 6: Final answer
x = 1,457,582.43
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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.