Finding the Fourth Proportional to 1,699,128, 2,343,115.84 and 1,551,656.16
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Solution
The fourth proportional to 1,699,128, 2,343,115.84 and 1,551,656.16 is: 2,139,750.58
Step by Step Solution
- Step 1: Write the proportion equation
1,699,128 : 2,343,115.84 = 1,551,656.16 : x - Step 2: Convert to fraction form
1,699,128/2,343,115.84 = 1,551,656.16/x - Step 3: Cross multiply
1,699,128x = 2,343,115.84 × 1,551,656.16 - Step 4: Simplify right side
1,699,128x = 3,635,710,126,729.57 - Step 5: Solve for x
x = 3,635,710,126,729.57/1,699,128 - Step 6: Final answer
x = 2,139,750.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.