Finding the Fourth Proportional to 1,869,303.42, 2,579,638.68 and 1,053,536.94
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Solution
The fourth proportional to 1,869,303.42, 2,579,638.68 and 1,053,536.94 is: 1,453,880.95
Step by Step Solution
- Step 1: Write the proportion equation
1,869,303.42 : 2,579,638.68 = 1,053,536.94 : x - Step 2: Convert to fraction form
1,869,303.42/2,579,638.68 = 1,053,536.94/x - Step 3: Cross multiply
1,869,303.42x = 2,579,638.68 × 1,053,536.94 - Step 4: Simplify right side
1,869,303.42x = 2,717,744,641,232.84 - Step 5: Solve for x
x = 2,717,744,641,232.84/1,869,303.42 - Step 6: Final answer
x = 1,453,880.95
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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.