Finding the Fourth Proportional to 1,368,470.03, 1,888,412.33 and 756,587.12
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Solution
The fourth proportional to 1,368,470.03, 1,888,412.33 and 756,587.12 is: 1,044,048.03
Step by Step Solution
- Step 1: Write the proportion equation
1,368,470.03 : 1,888,412.33 = 756,587.12 : x - Step 2: Convert to fraction form
1,368,470.03/1,888,412.33 = 756,587.12/x - Step 3: Cross multiply
1,368,470.03x = 1,888,412.33 × 756,587.12 - Step 4: Simplify right side
1,368,470.03x = 1,428,748,438,576.60 - Step 5: Solve for x
x = 1,428,748,438,576.60/1,368,470.03 - Step 6: Final answer
x = 1,044,048.03
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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.