Finding the Fourth Proportional to 2,687,373.68, 4,031,629.14 and 890,155.40
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Solution
The fourth proportional to 2,687,373.68, 4,031,629.14 and 890,155.40 is: 1,335,421.45
Step by Step Solution
- Step 1: Write the proportion equation
2,687,373.68 : 4,031,629.14 = 890,155.40 : x - Step 2: Convert to fraction form
2,687,373.68/4,031,629.14 = 890,155.40/x - Step 3: Cross multiply
2,687,373.68x = 4,031,629.14 × 890,155.40 - Step 4: Simplify right side
2,687,373.68x = 3,588,776,449,768.36 - Step 5: Solve for x
x = 3,588,776,449,768.36/2,687,373.68 - Step 6: Final answer
x = 1,335,421.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.