Finding the Fourth Proportional to 1,881,821.87, 2,596,342.04 and 1,065,895.91
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Solution
The fourth proportional to 1,881,821.87, 2,596,342.04 and 1,065,895.91 is: 1,470,612.28
Step by Step Solution
- Step 1: Write the proportion equation
1,881,821.87 : 2,596,342.04 = 1,065,895.91 : x - Step 2: Convert to fraction form
1,881,821.87/2,596,342.04 = 1,065,895.91/x - Step 3: Cross multiply
1,881,821.87x = 2,596,342.04 × 1,065,895.91 - Step 4: Simplify right side
1,881,821.87x = 2,767,430,343,085.87 - Step 5: Solve for x
x = 2,767,430,343,085.87/1,881,821.87 - Step 6: Final answer
x = 1,470,612.28
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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.