Finding the Fourth Proportional to 1,505,430.99, 2,077,489.58 and 817,102.81
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Solution
The fourth proportional to 1,505,430.99, 2,077,489.58 and 817,102.81 is: 1,127,599.06
Step by Step Solution
- Step 1: Write the proportion equation
1,505,430.99 : 2,077,489.58 = 817,102.81 : x - Step 2: Convert to fraction form
1,505,430.99/2,077,489.58 = 817,102.81/x - Step 3: Cross multiply
1,505,430.99x = 2,077,489.58 × 817,102.81 - Step 4: Simplify right side
1,505,430.99x = 1,697,522,564,284.48 - Step 5: Solve for x
x = 1,697,522,564,284.48/1,505,430.99 - Step 6: Final answer
x = 1,127,599.06
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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.