Finding the Fourth Proportional to 2,220,895.92, 3,064,779.72 and 1,240,842.36
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Solution
The fourth proportional to 2,220,895.92, 3,064,779.72 and 1,240,842.36 is: 1,712,330.81
Step by Step Solution
- Step 1: Write the proportion equation
2,220,895.92 : 3,064,779.72 = 1,240,842.36 : x - Step 2: Convert to fraction form
2,220,895.92/3,064,779.72 = 1,240,842.36/x - Step 3: Cross multiply
2,220,895.92x = 3,064,779.72 × 1,240,842.36 - Step 4: Simplify right side
2,220,895.92x = 3,802,908,500,644.94 - Step 5: Solve for x
x = 3,802,908,500,644.94/2,220,895.92 - Step 6: Final answer
x = 1,712,330.81
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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.