Finding the Fourth Proportional to 1,787,136.23, 2,466,272.96 and 971,339.66
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Solution
The fourth proportional to 1,787,136.23, 2,466,272.96 and 971,339.66 is: 1,340,462.31
Step by Step Solution
- Step 1: Write the proportion equation
1,787,136.23 : 2,466,272.96 = 971,339.66 : x - Step 2: Convert to fraction form
1,787,136.23/2,466,272.96 = 971,339.66/x - Step 3: Cross multiply
1,787,136.23x = 2,466,272.96 × 971,339.66 - Step 4: Simplify right side
1,787,136.23x = 2,395,588,753,473.15 - Step 5: Solve for x
x = 2,395,588,753,473.15/1,787,136.23 - Step 6: Final answer
x = 1,340,462.31
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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.