Finding the Fourth Proportional to 1,660,244.58, 2,291,710.83 and 972,137.63
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Solution
The fourth proportional to 1,660,244.58, 2,291,710.83 and 972,137.63 is: 1,341,885.63
Step by Step Solution
- Step 1: Write the proportion equation
1,660,244.58 : 2,291,710.83 = 972,137.63 : x - Step 2: Convert to fraction form
1,660,244.58/2,291,710.83 = 972,137.63/x - Step 3: Cross multiply
1,660,244.58x = 2,291,710.83 × 972,137.63 - Step 4: Simplify right side
1,660,244.58x = 2,227,858,337,005.29 - Step 5: Solve for x
x = 2,227,858,337,005.29/1,660,244.58 - Step 6: Final answer
x = 1,341,885.63
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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.