Finding the Fourth Proportional to 4,128,268.38, 6,182,974.74 and 1,970,811.12
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Solution
The fourth proportional to 4,128,268.38, 6,182,974.74 and 1,970,811.12 is: 2,951,715.89
Step by Step Solution
- Step 1: Write the proportion equation
4,128,268.38 : 6,182,974.74 = 1,970,811.12 : x - Step 2: Convert to fraction form
4,128,268.38/6,182,974.74 = 1,970,811.12/x - Step 3: Cross multiply
4,128,268.38x = 6,182,974.74 × 1,970,811.12 - Step 4: Simplify right side
4,128,268.38x = 12,185,475,372,271.11 - Step 5: Solve for x
x = 12,185,475,372,271.11/4,128,268.38 - Step 6: Final answer
x = 2,951,715.89
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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.