Finding the Fourth Proportional to 1,477,851.20, 2,217,009.12 and 480,345.92
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Solution
The fourth proportional to 1,477,851.20, 2,217,009.12 and 480,345.92 is: 720,594.39
Step by Step Solution
- Step 1: Write the proportion equation
1,477,851.20 : 2,217,009.12 = 480,345.92 : x - Step 2: Convert to fraction form
1,477,851.20/2,217,009.12 = 480,345.92/x - Step 3: Cross multiply
1,477,851.20x = 2,217,009.12 × 480,345.92 - Step 4: Simplify right side
1,477,851.20x = 1,064,931,285,394.79 - Step 5: Solve for x
x = 1,064,931,285,394.79/1,477,851.20 - Step 6: Final answer
x = 720,594.39
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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.