Finding the Fourth Proportional to 1,776,005.40, 2,664,353.70 and 765,125.40
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Solution
The fourth proportional to 1,776,005.40, 2,664,353.70 and 765,125.40 is: 1,147,836.99
Step by Step Solution
- Step 1: Write the proportion equation
1,776,005.40 : 2,664,353.70 = 765,125.40 : x - Step 2: Convert to fraction form
1,776,005.40/2,664,353.70 = 765,125.40/x - Step 3: Cross multiply
1,776,005.40x = 2,664,353.70 × 765,125.40 - Step 4: Simplify right side
1,776,005.40x = 2,038,564,690,453.98 - Step 5: Solve for x
x = 2,038,564,690,453.98/1,776,005.40 - Step 6: Final answer
x = 1,147,836.99
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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.