Finding the Fourth Proportional to 3,560,390.79, 4,913,319.09 and 1,928,829.93
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Solution
The fourth proportional to 3,560,390.79, 4,913,319.09 and 1,928,829.93 is: 2,661,774.36
Step by Step Solution
- Step 1: Write the proportion equation
3,560,390.79 : 4,913,319.09 = 1,928,829.93 : x - Step 2: Convert to fraction form
3,560,390.79/4,913,319.09 = 1,928,829.93/x - Step 3: Cross multiply
3,560,390.79x = 4,913,319.09 × 1,928,829.93 - Step 4: Simplify right side
3,560,390.79x = 9,476,956,916,432.36 - Step 5: Solve for x
x = 9,476,956,916,432.36/3,560,390.79 - Step 6: Final answer
x = 2,661,774.36
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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.