Finding the Fourth Proportional to 1,623,779.96, 2,240,820.62 and 898,677.68
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Solution
The fourth proportional to 1,623,779.96, 2,240,820.62 and 898,677.68 is: 1,240,177.56
Step by Step Solution
- Step 1: Write the proportion equation
1,623,779.96 : 2,240,820.62 = 898,677.68 : x - Step 2: Convert to fraction form
1,623,779.96/2,240,820.62 = 898,677.68/x - Step 3: Cross multiply
1,623,779.96x = 2,240,820.62 × 898,677.68 - Step 4: Simplify right side
1,623,779.96x = 2,013,775,476,077.76 - Step 5: Solve for x
x = 2,013,775,476,077.76/1,623,779.96 - Step 6: Final answer
x = 1,240,177.56
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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.