Finding the Fourth Proportional to 1,919,160.74, 2,879,737.41 and 782,756.66
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Solution
The fourth proportional to 1,919,160.74, 2,879,737.41 and 782,756.66 is: 1,174,541.34
Step by Step Solution
- Step 1: Write the proportion equation
1,919,160.74 : 2,879,737.41 = 782,756.66 : x - Step 2: Convert to fraction form
1,919,160.74/2,879,737.41 = 782,756.66/x - Step 3: Cross multiply
1,919,160.74x = 2,879,737.41 × 782,756.66 - Step 4: Simplify right side
1,919,160.74x = 2,254,133,633,128.98 - Step 5: Solve for x
x = 2,254,133,633,128.98/1,919,160.74 - Step 6: Final answer
x = 1,174,541.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.