Finding the Fourth Proportional to 2,103,132.80, 3,154,699.20 and 683,332.40
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Solution
The fourth proportional to 2,103,132.80, 3,154,699.20 and 683,332.40 is: 1,024,998.60
Step by Step Solution
- Step 1: Write the proportion equation
2,103,132.80 : 3,154,699.20 = 683,332.40 : x - Step 2: Convert to fraction form
2,103,132.80/3,154,699.20 = 683,332.40/x - Step 3: Cross multiply
2,103,132.80x = 3,154,699.20 × 683,332.40 - Step 4: Simplify right side
2,103,132.80x = 2,155,708,175,614.08 - Step 5: Solve for x
x = 2,155,708,175,614.08/2,103,132.80 - Step 6: Final answer
x = 1,024,998.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.