Finding the Fourth Proportional to 1,582,948.38, 2,184,508.68 and 971,438.88
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Solution
The fourth proportional to 1,582,948.38, 2,184,508.68 and 971,438.88 is: 1,340,610.15
Step by Step Solution
- Step 1: Write the proportion equation
1,582,948.38 : 2,184,508.68 = 971,438.88 : x - Step 2: Convert to fraction form
1,582,948.38/2,184,508.68 = 971,438.88/x - Step 3: Cross multiply
1,582,948.38x = 2,184,508.68 × 971,438.88 - Step 4: Simplify right side
1,582,948.38x = 2,122,116,665,449.48 - Step 5: Solve for x
x = 2,122,116,665,449.48/1,582,948.38 - Step 6: Final answer
x = 1,340,610.15
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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.