Finding the Fourth Proportional to 1,921,474.74, 2,879,881.56 and 1,411,305.18
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Solution
The fourth proportional to 1,921,474.74, 2,879,881.56 and 1,411,305.18 is: 2,115,246.00
Step by Step Solution
- Step 1: Write the proportion equation
1,921,474.74 : 2,879,881.56 = 1,411,305.18 : x - Step 2: Convert to fraction form
1,921,474.74/2,879,881.56 = 1,411,305.18/x - Step 3: Cross multiply
1,921,474.74x = 2,879,881.56 × 1,411,305.18 - Step 4: Simplify right side
1,921,474.74x = 4,064,391,763,414.48 - Step 5: Solve for x
x = 4,064,391,763,414.48/1,921,474.74 - Step 6: Final answer
x = 2,115,246.00
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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.