Finding the Fourth Proportional to 4,014,460.53, 5,539,941.48 and 2,178,918.81
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Solution
The fourth proportional to 4,014,460.53, 5,539,941.48 and 2,178,918.81 is: 3,006,900.33
Step by Step Solution
- Step 1: Write the proportion equation
4,014,460.53 : 5,539,941.48 = 2,178,918.81 : x - Step 2: Convert to fraction form
4,014,460.53/5,539,941.48 = 2,178,918.81/x - Step 3: Cross multiply
4,014,460.53x = 5,539,941.48 × 2,178,918.81 - Step 4: Simplify right side
4,014,460.53x = 12,071,082,697,071.24 - Step 5: Solve for x
x = 12,071,082,697,071.24/4,014,460.53 - Step 6: Final answer
x = 3,006,900.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.