Finding the Fourth Proportional to 1,446,479.13, 2,169,864.49 and 381,594.81
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Solution
The fourth proportional to 1,446,479.13, 2,169,864.49 and 381,594.81 is: 572,430.68
Step by Step Solution
- Step 1: Write the proportion equation
1,446,479.13 : 2,169,864.49 = 381,594.81 : x - Step 2: Convert to fraction form
1,446,479.13/2,169,864.49 = 381,594.81/x - Step 3: Cross multiply
1,446,479.13x = 2,169,864.49 × 381,594.81 - Step 4: Simplify right side
1,446,479.13x = 828,009,027,787.30 - Step 5: Solve for x
x = 828,009,027,787.30/1,446,479.13 - Step 6: Final answer
x = 572,430.68
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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.