Finding the Fourth Proportional to 1,860,053.16, 2,790,215.06 and 779,481.07
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Solution
The fourth proportional to 1,860,053.16, 2,790,215.06 and 779,481.07 is: 1,169,278.31
Step by Step Solution
- Step 1: Write the proportion equation
1,860,053.16 : 2,790,215.06 = 779,481.07 : x - Step 2: Convert to fraction form
1,860,053.16/2,790,215.06 = 779,481.07/x - Step 3: Cross multiply
1,860,053.16x = 2,790,215.06 × 779,481.07 - Step 4: Simplify right side
1,860,053.16x = 2,174,919,815,472.08 - Step 5: Solve for x
x = 2,174,919,815,472.08/1,860,053.16 - Step 6: Final answer
x = 1,169,278.31
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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.