Finding the Fourth Proportional to 1,636,175.10, 2,455,720.65 and 961,412.70
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Solution
The fourth proportional to 1,636,175.10, 2,455,720.65 and 961,412.70 is: 1,442,975.77
Step by Step Solution
- Step 1: Write the proportion equation
1,636,175.10 : 2,455,720.65 = 961,412.70 : x - Step 2: Convert to fraction form
1,636,175.10/2,455,720.65 = 961,412.70/x - Step 3: Cross multiply
1,636,175.10x = 2,455,720.65 × 961,412.70 - Step 4: Simplify right side
1,636,175.10x = 2,360,961,020,562.26 - Step 5: Solve for x
x = 2,360,961,020,562.26/1,636,175.10 - Step 6: Final answer
x = 1,442,975.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.