Finding the Fourth Proportional to 1,886,210.84, 2,602,971.24 and 1,026,777.62
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Solution
The fourth proportional to 1,886,210.84, 2,602,971.24 and 1,026,777.62 is: 1,416,953.27
Step by Step Solution
- Step 1: Write the proportion equation
1,886,210.84 : 2,602,971.24 = 1,026,777.62 : x - Step 2: Convert to fraction form
1,886,210.84/2,602,971.24 = 1,026,777.62/x - Step 3: Cross multiply
1,886,210.84x = 2,602,971.24 × 1,026,777.62 - Step 4: Simplify right side
1,886,210.84x = 2,672,672,614,735.65 - Step 5: Solve for x
x = 2,672,672,614,735.65/1,886,210.84 - Step 6: Final answer
x = 1,416,953.27
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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.