Finding the Fourth Proportional to 4,548,831.84, 6,826,540.05 and 1,779,508.17
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Solution
The fourth proportional to 4,548,831.84, 6,826,540.05 and 1,779,508.17 is: 2,670,550.20
Step by Step Solution
- Step 1: Write the proportion equation
4,548,831.84 : 6,826,540.05 = 1,779,508.17 : x - Step 2: Convert to fraction form
4,548,831.84/6,826,540.05 = 1,779,508.17/x - Step 3: Cross multiply
4,548,831.84x = 6,826,540.05 × 1,779,508.17 - Step 4: Simplify right side
4,548,831.84x = 12,147,883,791,807.21 - Step 5: Solve for x
x = 12,147,883,791,807.21/4,548,831.84 - Step 6: Final answer
x = 2,670,550.20
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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.