Finding the Fourth Proportional to 4,272,739.35, 5,896,379.84 and 2,312,617.05
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Solution
The fourth proportional to 4,272,739.35, 5,896,379.84 and 2,312,617.05 is: 3,191,411.28
Step by Step Solution
- Step 1: Write the proportion equation
4,272,739.35 : 5,896,379.84 = 2,312,617.05 : x - Step 2: Convert to fraction form
4,272,739.35/5,896,379.84 = 2,312,617.05/x - Step 3: Cross multiply
4,272,739.35x = 5,896,379.84 × 2,312,617.05 - Step 4: Simplify right side
4,272,739.35x = 13,636,068,551,260.27 - Step 5: Solve for x
x = 13,636,068,551,260.27/4,272,739.35 - Step 6: Final answer
x = 3,191,411.28
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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.