Finding the Fourth Proportional to 1,477,928, 2,217,213.58 and 453,258.84
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Solution
The fourth proportional to 1,477,928, 2,217,213.58 and 453,258.84 is: 679,986.88
Step by Step Solution
- Step 1: Write the proportion equation
1,477,928 : 2,217,213.58 = 453,258.84 : x - Step 2: Convert to fraction form
1,477,928/2,217,213.58 = 453,258.84/x - Step 3: Cross multiply
1,477,928x = 2,217,213.58 × 453,258.84 - Step 4: Simplify right side
1,477,928x = 1,004,971,655,303.05 - Step 5: Solve for x
x = 1,004,971,655,303.05/1,477,928 - Step 6: Final answer
x = 679,986.88
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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.