Finding the Fourth Proportional to 1,478,345.20, 2,040,119.34 and 799,281.70
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Solution
The fourth proportional to 1,478,345.20, 2,040,119.34 and 799,281.70 is: 1,103,010.35
Step by Step Solution
- Step 1: Write the proportion equation
1,478,345.20 : 2,040,119.34 = 799,281.70 : x - Step 2: Convert to fraction form
1,478,345.20/2,040,119.34 = 799,281.70/x - Step 3: Cross multiply
1,478,345.20x = 2,040,119.34 × 799,281.70 - Step 4: Simplify right side
1,478,345.20x = 1,630,630,054,278.08 - Step 5: Solve for x
x = 1,630,630,054,278.08/1,478,345.20 - Step 6: Final answer
x = 1,103,010.35
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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.