Finding the Fourth Proportional to 1,487,593.12, 2,052,921.81 and 842,991.88
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Solution
The fourth proportional to 1,487,593.12, 2,052,921.81 and 842,991.88 is: 1,163,353.33
Step by Step Solution
- Step 1: Write the proportion equation
1,487,593.12 : 2,052,921.81 = 842,991.88 : x - Step 2: Convert to fraction form
1,487,593.12/2,052,921.81 = 842,991.88/x - Step 3: Cross multiply
1,487,593.12x = 2,052,921.81 × 842,991.88 - Step 4: Simplify right side
1,487,593.12x = 1,730,596,416,104.90 - Step 5: Solve for x
x = 1,730,596,416,104.90/1,487,593.12 - Step 6: Final answer
x = 1,163,353.33
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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.