Finding the Fourth Proportional to 4,901,312.31, 7,351,971.71 and 1,535,781.75
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Solution
The fourth proportional to 4,901,312.31, 7,351,971.71 and 1,535,781.75 is: 2,303,673.64
Step by Step Solution
- Step 1: Write the proportion equation
4,901,312.31 : 7,351,971.71 = 1,535,781.75 : x - Step 2: Convert to fraction form
4,901,312.31/7,351,971.71 = 1,535,781.75/x - Step 3: Cross multiply
4,901,312.31x = 7,351,971.71 × 1,535,781.75 - Step 4: Simplify right side
4,901,312.31x = 11,291,023,971,055.38 - Step 5: Solve for x
x = 11,291,023,971,055.38/4,901,312.31 - Step 6: Final answer
x = 2,303,673.64
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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.