Finding the Fourth Proportional to 4,768,719.34, 6,580,566.75 and 2,731,660.06
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Solution
The fourth proportional to 4,768,719.34, 6,580,566.75 and 2,731,660.06 is: 3,769,538.55
Step by Step Solution
- Step 1: Write the proportion equation
4,768,719.34 : 6,580,566.75 = 2,731,660.06 : x - Step 2: Convert to fraction form
4,768,719.34/6,580,566.75 = 2,731,660.06/x - Step 3: Cross multiply
4,768,719.34x = 6,580,566.75 × 2,731,660.06 - Step 4: Simplify right side
4,768,719.34x = 17,975,871,363,139.00 - Step 5: Solve for x
x = 17,975,871,363,139.00/4,768,719.34 - Step 6: Final answer
x = 3,769,538.55
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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.