Finding the Fourth Proportional to 1,563,430.08, 2,154,584.88 and 1,252,980.02
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Solution
The fourth proportional to 1,563,430.08, 2,154,584.88 and 1,252,980.02 is: 1,726,749.31
Step by Step Solution
- Step 1: Write the proportion equation
1,563,430.08 : 2,154,584.88 = 1,252,980.02 : x - Step 2: Convert to fraction form
1,563,430.08/2,154,584.88 = 1,252,980.02/x - Step 3: Cross multiply
1,563,430.08x = 2,154,584.88 × 1,252,980.02 - Step 4: Simplify right side
1,563,430.08x = 2,699,651,806,034.10 - Step 5: Solve for x
x = 2,699,651,806,034.10/1,563,430.08 - Step 6: Final answer
x = 1,726,749.31
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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.