Finding the Fourth Proportional to 1,574,769.90, 2,173,119.93 and 930,398.70
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Solution
The fourth proportional to 1,574,769.90, 2,173,119.93 and 930,398.70 is: 1,283,913.26
Step by Step Solution
- Step 1: Write the proportion equation
1,574,769.90 : 2,173,119.93 = 930,398.70 : x - Step 2: Convert to fraction form
1,574,769.90/2,173,119.93 = 930,398.70/x - Step 3: Cross multiply
1,574,769.90x = 2,173,119.93 × 930,398.70 - Step 4: Simplify right side
1,574,769.90x = 2,021,867,957,816.09 - Step 5: Solve for x
x = 2,021,867,957,816.09/1,574,769.90 - Step 6: Final answer
x = 1,283,913.26
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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.