Finding the Fourth Proportional to 1,487,134.26, 2,052,261.36 and 808,070.76
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Solution
The fourth proportional to 1,487,134.26, 2,052,261.36 and 808,070.76 is: 1,115,146.39
Step by Step Solution
- Step 1: Write the proportion equation
1,487,134.26 : 2,052,261.36 = 808,070.76 : x - Step 2: Convert to fraction form
1,487,134.26/2,052,261.36 = 808,070.76/x - Step 3: Cross multiply
1,487,134.26x = 2,052,261.36 × 808,070.76 - Step 4: Simplify right side
1,487,134.26x = 1,658,372,396,893.83 - Step 5: Solve for x
x = 1,658,372,396,893.83/1,487,134.26 - Step 6: Final answer
x = 1,115,146.39
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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.