Finding the Fourth Proportional to 1,533,534.86, 2,116,191.74 and 845,204.63
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Solution
The fourth proportional to 1,533,534.86, 2,116,191.74 and 845,204.63 is: 1,166,334.78
Step by Step Solution
- Step 1: Write the proportion equation
1,533,534.86 : 2,116,191.74 = 845,204.63 : x - Step 2: Convert to fraction form
1,533,534.86/2,116,191.74 = 845,204.63/x - Step 3: Cross multiply
1,533,534.86x = 2,116,191.74 × 845,204.63 - Step 4: Simplify right side
1,533,534.86x = 1,788,615,048,147.81 - Step 5: Solve for x
x = 1,788,615,048,147.81/1,533,534.86 - Step 6: Final answer
x = 1,166,334.78
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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.