Finding the Fourth Proportional to 4,970,665.92, 7,458,830.64 and 1,937,637.12
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Solution
The fourth proportional to 4,970,665.92, 7,458,830.64 and 1,937,637.12 is: 2,907,559.54
Step by Step Solution
- Step 1: Write the proportion equation
4,970,665.92 : 7,458,830.64 = 1,937,637.12 : x - Step 2: Convert to fraction form
4,970,665.92/7,458,830.64 = 1,937,637.12/x - Step 3: Cross multiply
4,970,665.92x = 7,458,830.64 × 1,937,637.12 - Step 4: Simplify right side
4,970,665.92x = 14,452,507,119,857.36 - Step 5: Solve for x
x = 14,452,507,119,857.36/4,970,665.92 - Step 6: Final answer
x = 2,907,559.54
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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.