Finding the Fourth Proportional to 1,663,693.62, 2,295,338.88 and 1,357,240.24
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Solution
The fourth proportional to 1,663,693.62, 2,295,338.88 and 1,357,240.24 is: 1,872,536.06
Step by Step Solution
- Step 1: Write the proportion equation
1,663,693.62 : 2,295,338.88 = 1,357,240.24 : x - Step 2: Convert to fraction form
1,663,693.62/2,295,338.88 = 1,357,240.24/x - Step 3: Cross multiply
1,663,693.62x = 2,295,338.88 × 1,357,240.24 - Step 4: Simplify right side
1,663,693.62x = 3,115,326,292,372.53 - Step 5: Solve for x
x = 3,115,326,292,372.53/1,663,693.62 - Step 6: Final answer
x = 1,872,536.06
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1.5x scale
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.