Finding the Fourth Proportional to 1,687,943.64, 2,329,417.26 and 923,997
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Solution
The fourth proportional to 1,687,943.64, 2,329,417.26 and 923,997 is: 1,275,145.99
Step by Step Solution
- Step 1: Write the proportion equation
1,687,943.64 : 2,329,417.26 = 923,997 : x - Step 2: Convert to fraction form
1,687,943.64/2,329,417.26 = 923,997/x - Step 3: Cross multiply
1,687,943.64x = 2,329,417.26 × 923,997 - Step 4: Simplify right side
1,687,943.64x = 2,152,374,559,988.22 - Step 5: Solve for x
x = 2,152,374,559,988.22/1,687,943.64 - Step 6: Final answer
x = 1,275,145.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.