Finding the Fourth Proportional to 3,112,344.72, 4,294,950.12 and 1,735,730.28
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Solution
The fourth proportional to 3,112,344.72, 4,294,950.12 and 1,735,730.28 is: 2,395,260.05
Step by Step Solution
- Step 1: Write the proportion equation
3,112,344.72 : 4,294,950.12 = 1,735,730.28 : x - Step 2: Convert to fraction form
3,112,344.72/4,294,950.12 = 1,735,730.28/x - Step 3: Cross multiply
3,112,344.72x = 4,294,950.12 × 1,735,730.28 - Step 4: Simplify right side
3,112,344.72x = 7,454,874,974,373.63 - Step 5: Solve for x
x = 7,454,874,974,373.63/3,112,344.72 - Step 6: Final answer
x = 2,395,260.05
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1.5x scale
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.