Finding the Fourth Proportional to 1,819,516.19, 2,509,337.14 and 1,456,807.70
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Solution
The fourth proportional to 1,819,516.19, 2,509,337.14 and 1,456,807.70 is: 2,009,117.42
Step by Step Solution
- Step 1: Write the proportion equation
1,819,516.19 : 2,509,337.14 = 1,456,807.70 : x - Step 2: Convert to fraction form
1,819,516.19/2,509,337.14 = 1,456,807.70/x - Step 3: Cross multiply
1,819,516.19x = 2,509,337.14 × 1,456,807.70 - Step 4: Simplify right side
1,819,516.19x = 3,655,621,670,079.30 - Step 5: Solve for x
x = 3,655,621,670,079.30/1,819,516.19 - Step 6: Final answer
x = 2,009,117.42
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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.