Finding the Fourth Proportional to 1,538,006.60, 2,307,182.70 and 473,040.20
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Solution
The fourth proportional to 1,538,006.60, 2,307,182.70 and 473,040.20 is: 709,613.45
Step by Step Solution
- Step 1: Write the proportion equation
1,538,006.60 : 2,307,182.70 = 473,040.20 : x - Step 2: Convert to fraction form
1,538,006.60/2,307,182.70 = 473,040.20/x - Step 3: Cross multiply
1,538,006.60x = 2,307,182.70 × 473,040.20 - Step 4: Simplify right side
1,538,006.60x = 1,091,390,165,844.54 - Step 5: Solve for x
x = 1,091,390,165,844.54/1,538,006.60 - Step 6: Final answer
x = 709,613.45
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1.5x scale
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.