Finding the Fourth Proportional to 1,415,309.70, 2,122,964.55 and 942,917.70
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Solution
The fourth proportional to 1,415,309.70, 2,122,964.55 and 942,917.70 is: 1,414,376.55
Step by Step Solution
- Step 1: Write the proportion equation
1,415,309.70 : 2,122,964.55 = 942,917.70 : x - Step 2: Convert to fraction form
1,415,309.70/2,122,964.55 = 942,917.70/x - Step 3: Cross multiply
1,415,309.70x = 2,122,964.55 × 942,917.70 - Step 4: Simplify right side
1,415,309.70x = 2,001,780,850,667.53 - Step 5: Solve for x
x = 2,001,780,850,667.53/1,415,309.70 - Step 6: Final answer
x = 1,414,376.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.