Finding the Fourth Proportional to 1,886,212.47, 2,602,973.49 and 1,026,779.19
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Solution
The fourth proportional to 1,886,212.47, 2,602,973.49 and 1,026,779.19 is: 1,416,955.44
Step by Step Solution
- Step 1: Write the proportion equation
1,886,212.47 : 2,602,973.49 = 1,026,779.19 : x - Step 2: Convert to fraction form
1,886,212.47/2,602,973.49 = 1,026,779.19/x - Step 3: Cross multiply
1,886,212.47x = 2,602,973.49 × 1,026,779.19 - Step 4: Simplify right side
1,886,212.47x = 2,672,679,011,653.67 - Step 5: Solve for x
x = 2,672,679,011,653.67/1,886,212.47 - Step 6: Final answer
x = 1,416,955.44
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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.