Finding the Fourth Proportional to 7,146,358.36, 9,862,036.98 and 3,883,173.02
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Solution
The fourth proportional to 7,146,358.36, 9,862,036.98 and 3,883,173.02 is: 5,358,812.70
Step by Step Solution
- Step 1: Write the proportion equation
7,146,358.36 : 9,862,036.98 = 3,883,173.02 : x - Step 2: Convert to fraction form
7,146,358.36/9,862,036.98 = 3,883,173.02/x - Step 3: Cross multiply
7,146,358.36x = 9,862,036.98 × 3,883,173.02 - Step 4: Simplify right side
7,146,358.36x = 38,295,995,903,562.41 - Step 5: Solve for x
x = 38,295,995,903,562.41/7,146,358.36 - Step 6: Final answer
x = 5,358,812.70
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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.