Finding the Fourth Proportional to 4,268,809.56, 6,403,662.90 and 1,390,400.52
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Solution
The fourth proportional to 4,268,809.56, 6,403,662.90 and 1,390,400.52 is: 2,085,746.88
Step by Step Solution
- Step 1: Write the proportion equation
4,268,809.56 : 6,403,662.90 = 1,390,400.52 : x - Step 2: Convert to fraction form
4,268,809.56/6,403,662.90 = 1,390,400.52/x - Step 3: Cross multiply
4,268,809.56x = 6,403,662.90 × 1,390,400.52 - Step 4: Simplify right side
4,268,809.56x = 8,903,656,226,064.71 - Step 5: Solve for x
x = 8,903,656,226,064.71/4,268,809.56 - Step 6: Final answer
x = 2,085,746.88
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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.