Finding the Fourth Proportional to 2,335,708.55, 3,223,272.61 and 1,317,106.19
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Solution
The fourth proportional to 2,335,708.55, 3,223,272.61 and 1,317,106.19 is: 1,817,603.62
Step by Step Solution
- Step 1: Write the proportion equation
2,335,708.55 : 3,223,272.61 = 1,317,106.19 : x - Step 2: Convert to fraction form
2,335,708.55/3,223,272.61 = 1,317,106.19/x - Step 3: Cross multiply
2,335,708.55x = 3,223,272.61 × 1,317,106.19 - Step 4: Simplify right side
2,335,708.55x = 4,245,392,306,688.46 - Step 5: Solve for x
x = 4,245,392,306,688.46/2,335,708.55 - Step 6: Final answer
x = 1,817,603.62
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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.