Finding the Fourth Proportional to 3,128,919.03, 4,693,378.55 and 1,708,200.09
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Solution
The fourth proportional to 3,128,919.03, 4,693,378.55 and 1,708,200.09 is: 2,562,300.14
Step by Step Solution
- Step 1: Write the proportion equation
3,128,919.03 : 4,693,378.55 = 1,708,200.09 : x - Step 2: Convert to fraction form
3,128,919.03/4,693,378.55 = 1,708,200.09/x - Step 3: Cross multiply
3,128,919.03x = 4,693,378.55 × 1,708,200.09 - Step 4: Simplify right side
3,128,919.03x = 8,017,229,652,973.07 - Step 5: Solve for x
x = 8,017,229,652,973.07/3,128,919.03 - Step 6: Final answer
x = 2,562,300.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.