Finding the Fourth Proportional to 1,513,888.05, 2,268,261.45 and 913,587.84
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Solution
The fourth proportional to 1,513,888.05, 2,268,261.45 and 913,587.84 is: 1,368,830.46
Step by Step Solution
- Step 1: Write the proportion equation
1,513,888.05 : 2,268,261.45 = 913,587.84 : x - Step 2: Convert to fraction form
1,513,888.05/2,268,261.45 = 913,587.84/x - Step 3: Cross multiply
1,513,888.05x = 2,268,261.45 × 913,587.84 - Step 4: Simplify right side
1,513,888.05x = 2,072,256,078,660.77 - Step 5: Solve for x
x = 2,072,256,078,660.77/1,513,888.05 - Step 6: Final answer
x = 1,368,830.46
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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.