Finding the Fourth Proportional to 1,720,652.75, 2,374,486.40 and 956,699.63
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Solution
The fourth proportional to 1,720,652.75, 2,374,486.40 and 956,699.63 is: 1,320,237.48
Step by Step Solution
- Step 1: Write the proportion equation
1,720,652.75 : 2,374,486.40 = 956,699.63 : x - Step 2: Convert to fraction form
1,720,652.75/2,374,486.40 = 956,699.63/x - Step 3: Cross multiply
1,720,652.75x = 2,374,486.40 × 956,699.63 - Step 4: Simplify right side
1,720,652.75x = 2,271,670,243,664.10 - Step 5: Solve for x
x = 2,271,670,243,664.10/1,720,652.75 - Step 6: Final answer
x = 1,320,237.48
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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.