Finding the Fourth Proportional to 5,181,386.64, 7,772,598.48 and 1,587,112.08
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Solution
The fourth proportional to 5,181,386.64, 7,772,598.48 and 1,587,112.08 is: 2,380,826.95
Step by Step Solution
- Step 1: Write the proportion equation
5,181,386.64 : 7,772,598.48 = 1,587,112.08 : x - Step 2: Convert to fraction form
5,181,386.64/7,772,598.48 = 1,587,112.08/x - Step 3: Cross multiply
5,181,386.64x = 7,772,598.48 × 1,587,112.08 - Step 4: Simplify right side
5,181,386.64x = 12,335,984,940,597.64 - Step 5: Solve for x
x = 12,335,984,940,597.64/5,181,386.64 - Step 6: Final answer
x = 2,380,826.95
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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.