Finding the Fourth Proportional to 1,925,018.36, 2,656,493.08 and 1,065,560.12
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Solution
The fourth proportional to 1,925,018.36, 2,656,493.08 and 1,065,560.12 is: 1,470,455.11
Step by Step Solution
- Step 1: Write the proportion equation
1,925,018.36 : 2,656,493.08 = 1,065,560.12 : x - Step 2: Convert to fraction form
1,925,018.36/2,656,493.08 = 1,065,560.12/x - Step 3: Cross multiply
1,925,018.36x = 2,656,493.08 × 1,065,560.12 - Step 4: Simplify right side
1,925,018.36x = 2,830,653,085,103.97 - Step 5: Solve for x
x = 2,830,653,085,103.97/1,925,018.36 - Step 6: Final answer
x = 1,470,455.11
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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.