Finding the Fourth Proportional to 1,636,176.60, 2,455,722.90 and 961,414.20
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Solution
The fourth proportional to 1,636,176.60, 2,455,722.90 and 961,414.20 is: 1,442,978.02
Step by Step Solution
- Step 1: Write the proportion equation
1,636,176.60 : 2,455,722.90 = 961,414.20 : x - Step 2: Convert to fraction form
1,636,176.60/2,455,722.90 = 961,414.20/x - Step 3: Cross multiply
1,636,176.60x = 2,455,722.90 × 961,414.20 - Step 4: Simplify right side
1,636,176.60x = 2,360,966,867,325.18 - Step 5: Solve for x
x = 2,360,966,867,325.18/1,636,176.60 - Step 6: Final answer
x = 1,442,978.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.