Finding the Fourth Proportional to 1,671,837.72, 2,307,842.31 and 1,128,709.18
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Solution
The fourth proportional to 1,671,837.72, 2,307,842.31 and 1,128,709.18 is: 1,558,095.48
Step by Step Solution
- Step 1: Write the proportion equation
1,671,837.72 : 2,307,842.31 = 1,128,709.18 : x - Step 2: Convert to fraction form
1,671,837.72/2,307,842.31 = 1,128,709.18/x - Step 3: Cross multiply
1,671,837.72x = 2,307,842.31 × 1,128,709.18 - Step 4: Simplify right side
1,671,837.72x = 2,604,882,801,289.41 - Step 5: Solve for x
x = 2,604,882,801,289.41/1,671,837.72 - Step 6: Final answer
x = 1,558,095.48
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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.