Finding the Fourth Proportional to 4,221,930.87, 6,333,290.55 and 1,189,291.68
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Solution
The fourth proportional to 4,221,930.87, 6,333,290.55 and 1,189,291.68 is: 1,784,048.58
Step by Step Solution
- Step 1: Write the proportion equation
4,221,930.87 : 6,333,290.55 = 1,189,291.68 : x - Step 2: Convert to fraction form
4,221,930.87/6,333,290.55 = 1,189,291.68/x - Step 3: Cross multiply
4,221,930.87x = 6,333,290.55 × 1,189,291.68 - Step 4: Simplify right side
4,221,930.87x = 7,532,129,758,137.62 - Step 5: Solve for x
x = 7,532,129,758,137.62/4,221,930.87 - Step 6: Final answer
x = 1,784,048.58
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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.