Finding the Fourth Proportional to 1,930,784.97, 2,664,501.62 and 1,071,425.19
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Solution
The fourth proportional to 1,930,784.97, 2,664,501.62 and 1,071,425.19 is: 1,478,576.95
Step by Step Solution
- Step 1: Write the proportion equation
1,930,784.97 : 2,664,501.62 = 1,071,425.19 : x - Step 2: Convert to fraction form
1,930,784.97/2,664,501.62 = 1,071,425.19/x - Step 3: Cross multiply
1,930,784.97x = 2,664,501.62 × 1,071,425.19 - Step 4: Simplify right side
1,930,784.97x = 2,854,814,143,819.86 - Step 5: Solve for x
x = 2,854,814,143,819.86/1,930,784.97 - Step 6: Final answer
x = 1,478,576.95
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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.