Finding the Fourth Proportional to 2,918,781.68, 4,027,749.48 and 1,629,703.68
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Solution
The fourth proportional to 2,918,781.68, 4,027,749.48 and 1,629,703.68 is: 2,248,896.58
Step by Step Solution
- Step 1: Write the proportion equation
2,918,781.68 : 4,027,749.48 = 1,629,703.68 : x - Step 2: Convert to fraction form
2,918,781.68/4,027,749.48 = 1,629,703.68/x - Step 3: Cross multiply
2,918,781.68x = 4,027,749.48 × 1,629,703.68 - Step 4: Simplify right side
2,918,781.68x = 6,564,038,149,674.09 - Step 5: Solve for x
x = 6,564,038,149,674.09/2,918,781.68 - Step 6: Final answer
x = 2,248,896.58
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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.