Finding the Fourth Proportional to 5,779,146.70, 7,980,583.35 and 4,326,319.81
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Solution
The fourth proportional to 5,779,146.70, 7,980,583.35 and 4,326,319.81 is: 5,974,334.56
Step by Step Solution
- Step 1: Write the proportion equation
5,779,146.70 : 7,980,583.35 = 4,326,319.81 : x - Step 2: Convert to fraction form
5,779,146.70/7,980,583.35 = 4,326,319.81/x - Step 3: Cross multiply
5,779,146.70x = 7,980,583.35 × 4,326,319.81 - Step 4: Simplify right side
5,779,146.70x = 34,526,555,842,461.16 - Step 5: Solve for x
x = 34,526,555,842,461.16/5,779,146.70 - Step 6: Final answer
x = 5,974,334.56
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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.