Finding the Fourth Proportional to 1,618,658.40, 2,429,830.80 and 954,184.80
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Solution
The fourth proportional to 1,618,658.40, 2,429,830.80 and 954,184.80 is: 1,432,363.75
Step by Step Solution
- Step 1: Write the proportion equation
1,618,658.40 : 2,429,830.80 = 954,184.80 : x - Step 2: Convert to fraction form
1,618,658.40/2,429,830.80 = 954,184.80/x - Step 3: Cross multiply
1,618,658.40x = 2,429,830.80 × 954,184.80 - Step 4: Simplify right side
1,618,658.40x = 2,318,507,615,931.84 - Step 5: Solve for x
x = 2,318,507,615,931.84/1,618,658.40 - Step 6: Final answer
x = 1,432,363.75
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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.