Finding the Fourth Proportional to 3,801,905.13, 5,702,930.61 and 1,243,129.71
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Solution
The fourth proportional to 3,801,905.13, 5,702,930.61 and 1,243,129.71 is: 1,864,718.41
Step by Step Solution
- Step 1: Write the proportion equation
3,801,905.13 : 5,702,930.61 = 1,243,129.71 : x - Step 2: Convert to fraction form
3,801,905.13/5,702,930.61 = 1,243,129.71/x - Step 3: Cross multiply
3,801,905.13x = 5,702,930.61 × 1,243,129.71 - Step 4: Simplify right side
3,801,905.13x = 7,089,482,475,359.42 - Step 5: Solve for x
x = 7,089,482,475,359.42/3,801,905.13 - Step 6: Final answer
x = 1,864,718.41
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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.