Finding the Fourth Proportional to 1,962,860.74, 2,708,569.08 and 1,135,791.34
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Solution
The fourth proportional to 1,962,860.74, 2,708,569.08 and 1,135,791.34 is: 1,567,288.62
Step by Step Solution
- Step 1: Write the proportion equation
1,962,860.74 : 2,708,569.08 = 1,135,791.34 : x - Step 2: Convert to fraction form
1,962,860.74/2,708,569.08 = 1,135,791.34/x - Step 3: Cross multiply
1,962,860.74x = 2,708,569.08 × 1,135,791.34 - Step 4: Simplify right side
1,962,860.74x = 3,076,369,291,312.92 - Step 5: Solve for x
x = 3,076,369,291,312.92/1,962,860.74 - Step 6: Final answer
x = 1,567,288.62
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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.