Finding the Fourth Proportional to 1,973,416.44, 2,723,237.82 and 1,238,765.88
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Solution
The fourth proportional to 1,973,416.44, 2,723,237.82 and 1,238,765.88 is: 1,709,448.66
Step by Step Solution
- Step 1: Write the proportion equation
1,973,416.44 : 2,723,237.82 = 1,238,765.88 : x - Step 2: Convert to fraction form
1,973,416.44/2,723,237.82 = 1,238,765.88/x - Step 3: Cross multiply
1,973,416.44x = 2,723,237.82 × 1,238,765.88 - Step 4: Simplify right side
1,973,416.44x = 3,373,454,094,541.58 - Step 5: Solve for x
x = 3,373,454,094,541.58/1,973,416.44 - Step 6: Final answer
x = 1,709,448.66
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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.