Finding the Fourth Proportional to 1,679,714.24, 2,316,579.60 and 1,419,345.12
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Solution
The fourth proportional to 1,679,714.24, 2,316,579.60 and 1,419,345.12 is: 1,957,491.26
Step by Step Solution
- Step 1: Write the proportion equation
1,679,714.24 : 2,316,579.60 = 1,419,345.12 : x - Step 2: Convert to fraction form
1,679,714.24/2,316,579.60 = 1,419,345.12/x - Step 3: Cross multiply
1,679,714.24x = 2,316,579.60 × 1,419,345.12 - Step 4: Simplify right side
1,679,714.24x = 3,288,025,950,351.55 - Step 5: Solve for x
x = 3,288,025,950,351.55/1,679,714.24 - Step 6: Final answer
x = 1,957,491.26
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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.