Finding the Fourth Proportional to 1,574,873.36, 2,173,039.08 and 930,398.48
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Solution
The fourth proportional to 1,574,873.36, 2,173,039.08 and 930,398.48 is: 1,283,780.85
Step by Step Solution
- Step 1: Write the proportion equation
1,574,873.36 : 2,173,039.08 = 930,398.48 : x - Step 2: Convert to fraction form
1,574,873.36/2,173,039.08 = 930,398.48/x - Step 3: Cross multiply
1,574,873.36x = 2,173,039.08 × 930,398.48 - Step 4: Simplify right side
1,574,873.36x = 2,021,792,257,012.60 - Step 5: Solve for x
x = 2,021,792,257,012.60/1,574,873.36 - Step 6: Final answer
x = 1,283,780.85
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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.