Finding the Fourth Proportional to 3,035,507.68, 4,189,265.76 and 1,677,643.12
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Solution
The fourth proportional to 3,035,507.68, 4,189,265.76 and 1,677,643.12 is: 2,315,294.05
Step by Step Solution
- Step 1: Write the proportion equation
3,035,507.68 : 4,189,265.76 = 1,677,643.12 : x - Step 2: Convert to fraction form
3,035,507.68/4,189,265.76 = 1,677,643.12/x - Step 3: Cross multiply
3,035,507.68x = 4,189,265.76 × 1,677,643.12 - Step 4: Simplify right side
3,035,507.68x = 7,028,092,880,115.57 - Step 5: Solve for x
x = 7,028,092,880,115.57/3,035,507.68 - Step 6: Final answer
x = 2,315,294.05
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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.