Finding the Fourth Proportional to 5,110,032.67, 7,051,852.08 and 2,786,930.80
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Solution
The fourth proportional to 5,110,032.67, 7,051,852.08 and 2,786,930.80 is: 3,845,968.31
Step by Step Solution
- Step 1: Write the proportion equation
5,110,032.67 : 7,051,852.08 = 2,786,930.80 : x - Step 2: Convert to fraction form
5,110,032.67/7,051,852.08 = 2,786,930.80/x - Step 3: Cross multiply
5,110,032.67x = 7,051,852.08 × 2,786,930.80 - Step 4: Simplify right side
5,110,032.67x = 19,653,023,709,602.15 - Step 5: Solve for x
x = 19,653,023,709,602.15/5,110,032.67 - Step 6: Final answer
x = 3,845,968.31
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1.5x scale
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.