Finding the Fourth Proportional to 1,621,257.84, 2,236,175.28 and 1,137,930.96
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Solution
The fourth proportional to 1,621,257.84, 2,236,175.28 and 1,137,930.96 is: 1,569,530.16
Step by Step Solution
- Step 1: Write the proportion equation
1,621,257.84 : 2,236,175.28 = 1,137,930.96 : x - Step 2: Convert to fraction form
1,621,257.84/2,236,175.28 = 1,137,930.96/x - Step 3: Cross multiply
1,621,257.84x = 2,236,175.28 × 1,137,930.96 - Step 4: Simplify right side
1,621,257.84x = 2,544,613,083,098.67 - Step 5: Solve for x
x = 2,544,613,083,098.67/1,621,257.84 - Step 6: Final answer
x = 1,569,530.16
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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.