Finding the Fourth Proportional to 7,748,935.29, 11,626,018.70 and 3,430,389.87
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Solution
The fourth proportional to 7,748,935.29, 11,626,018.70 and 3,430,389.87 is: 5,146,742.78
Step by Step Solution
- Step 1: Write the proportion equation
7,748,935.29 : 11,626,018.70 = 3,430,389.87 : x - Step 2: Convert to fraction form
7,748,935.29/11,626,018.70 = 3,430,389.87/x - Step 3: Cross multiply
7,748,935.29x = 11,626,018.70 × 3,430,389.87 - Step 4: Simplify right side
7,748,935.29x = 39,881,776,759,758.62 - Step 5: Solve for x
x = 39,881,776,759,758.62/7,748,935.29 - Step 6: Final answer
x = 5,146,742.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.