Finding the Fourth Proportional to 1,968,702.09, 2,956,256.97 and 1,215,332.56
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Solution
The fourth proportional to 1,968,702.09, 2,956,256.97 and 1,215,332.56 is: 1,824,976.65
Step by Step Solution
- Step 1: Write the proportion equation
1,968,702.09 : 2,956,256.97 = 1,215,332.56 : x - Step 2: Convert to fraction form
1,968,702.09/2,956,256.97 = 1,215,332.56/x - Step 3: Cross multiply
1,968,702.09x = 2,956,256.97 × 1,215,332.56 - Step 4: Simplify right side
1,968,702.09x = 3,592,835,344,131.19 - Step 5: Solve for x
x = 3,592,835,344,131.19/1,968,702.09 - Step 6: Final answer
x = 1,824,976.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.