Finding the Fourth Proportional to 1,972,405.98, 2,721,893.74 and 1,101,254.02
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Solution
The fourth proportional to 1,972,405.98, 2,721,893.74 and 1,101,254.02 is: 1,519,715.74
Step by Step Solution
- Step 1: Write the proportion equation
1,972,405.98 : 2,721,893.74 = 1,101,254.02 : x - Step 2: Convert to fraction form
1,972,405.98/2,721,893.74 = 1,101,254.02/x - Step 3: Cross multiply
1,972,405.98x = 2,721,893.74 × 1,101,254.02 - Step 4: Simplify right side
1,972,405.98x = 2,997,496,423,187.84 - Step 5: Solve for x
x = 2,997,496,423,187.84/1,972,405.98 - Step 6: Final answer
x = 1,519,715.74
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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.