Finding the Fourth Proportional to 1,676,923.70, 2,515,959.61 and 716,983.79
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Solution
The fourth proportional to 1,676,923.70, 2,515,959.61 and 716,983.79 is: 1,075,721.12
Step by Step Solution
- Step 1: Write the proportion equation
1,676,923.70 : 2,515,959.61 = 716,983.79 : x - Step 2: Convert to fraction form
1,676,923.70/2,515,959.61 = 716,983.79/x - Step 3: Cross multiply
1,676,923.70x = 2,515,959.61 × 716,983.79 - Step 4: Simplify right side
1,676,923.70x = 1,803,902,242,292.46 - Step 5: Solve for x
x = 1,803,902,242,292.46/1,676,923.70 - Step 6: Final answer
x = 1,075,721.12
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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.