Finding the Fourth Proportional to 1,625,266.70, 2,438,288.85 and 783,125.90
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Solution
The fourth proportional to 1,625,266.70, 2,438,288.85 and 783,125.90 is: 1,174,876.19
Step by Step Solution
- Step 1: Write the proportion equation
1,625,266.70 : 2,438,288.85 = 783,125.90 : x - Step 2: Convert to fraction form
1,625,266.70/2,438,288.85 = 783,125.90/x - Step 3: Cross multiply
1,625,266.70x = 2,438,288.85 × 783,125.90 - Step 4: Simplify right side
1,625,266.70x = 1,909,487,150,116.22 - Step 5: Solve for x
x = 1,909,487,150,116.22/1,625,266.70 - Step 6: Final answer
x = 1,174,876.19
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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.