Finding the Fourth Proportional to 1,530,483.08, 2,111,496.18 and 957,305.48
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Solution
The fourth proportional to 1,530,483.08, 2,111,496.18 and 957,305.48 is: 1,320,724.74
Step by Step Solution
- Step 1: Write the proportion equation
1,530,483.08 : 2,111,496.18 = 957,305.48 : x - Step 2: Convert to fraction form
1,530,483.08/2,111,496.18 = 957,305.48/x - Step 3: Cross multiply
1,530,483.08x = 2,111,496.18 × 957,305.48 - Step 4: Simplify right side
1,530,483.08x = 2,021,346,864,113.07 - Step 5: Solve for x
x = 2,021,346,864,113.07/1,530,483.08 - Step 6: Final answer
x = 1,320,724.74
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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.