Finding the Fourth Proportional to 2,970,081.20, 4,455,121.80 and 975,537.20
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Solution
The fourth proportional to 2,970,081.20, 4,455,121.80 and 975,537.20 is: 1,463,305.80
Step by Step Solution
- Step 1: Write the proportion equation
2,970,081.20 : 4,455,121.80 = 975,537.20 : x - Step 2: Convert to fraction form
2,970,081.20/4,455,121.80 = 975,537.20/x - Step 3: Cross multiply
2,970,081.20x = 4,455,121.80 × 975,537.20 - Step 4: Simplify right side
2,970,081.20x = 4,346,137,046,430.96 - Step 5: Solve for x
x = 4,346,137,046,430.96/2,970,081.20 - Step 6: Final answer
x = 1,463,305.80
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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.