Finding the Fourth Proportional to 2,819,545.49, 3,890,976.70 and 1,530,386.14
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Solution
The fourth proportional to 2,819,545.49, 3,890,976.70 and 1,530,386.14 is: 2,111,935.00
Step by Step Solution
- Step 1: Write the proportion equation
2,819,545.49 : 3,890,976.70 = 1,530,386.14 : x - Step 2: Convert to fraction form
2,819,545.49/3,890,976.70 = 1,530,386.14/x - Step 3: Cross multiply
2,819,545.49x = 3,890,976.70 × 1,530,386.14 - Step 4: Simplify right side
2,819,545.49x = 5,954,696,812,742.94 - Step 5: Solve for x
x = 5,954,696,812,742.94/2,819,545.49 - Step 6: Final answer
x = 2,111,935.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.