Finding the Fourth Proportional to 2,216,483.64, 3,058,761.42 and 1,197,885.96
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Solution
The fourth proportional to 2,216,483.64, 3,058,761.42 and 1,197,885.96 is: 1,653,090.19
Step by Step Solution
- Step 1: Write the proportion equation
2,216,483.64 : 3,058,761.42 = 1,197,885.96 : x - Step 2: Convert to fraction form
2,216,483.64/3,058,761.42 = 1,197,885.96/x - Step 3: Cross multiply
2,216,483.64x = 3,058,761.42 × 1,197,885.96 - Step 4: Simplify right side
2,216,483.64x = 3,664,047,360,007.66 - Step 5: Solve for x
x = 3,664,047,360,007.66/2,216,483.64 - Step 6: Final answer
x = 1,653,090.19
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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.