Finding the Fourth Proportional to 1,786,278.08, 2,464,365.60 and 1,021,922.24
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Solution
The fourth proportional to 1,786,278.08, 2,464,365.60 and 1,021,922.24 is: 1,409,853.28
Step by Step Solution
- Step 1: Write the proportion equation
1,786,278.08 : 2,464,365.60 = 1,021,922.24 : x - Step 2: Convert to fraction form
1,786,278.08/2,464,365.60 = 1,021,922.24/x - Step 3: Cross multiply
1,786,278.08x = 2,464,365.60 × 1,021,922.24 - Step 4: Simplify right side
1,786,278.08x = 2,518,390,014,130.94 - Step 5: Solve for x
x = 2,518,390,014,130.94/1,786,278.08 - Step 6: Final answer
x = 1,409,853.28
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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.