Finding the Fourth Proportional to 1,839,920.34, 2,539,090.20 and 1,024,106.46
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Solution
The fourth proportional to 1,839,920.34, 2,539,090.20 and 1,024,106.46 is: 1,413,266.99
Step by Step Solution
- Step 1: Write the proportion equation
1,839,920.34 : 2,539,090.20 = 1,024,106.46 : x - Step 2: Convert to fraction form
1,839,920.34/2,539,090.20 = 1,024,106.46/x - Step 3: Cross multiply
1,839,920.34x = 2,539,090.20 × 1,024,106.46 - Step 4: Simplify right side
1,839,920.34x = 2,600,298,676,342.69 - Step 5: Solve for x
x = 2,600,298,676,342.69/1,839,920.34 - Step 6: Final answer
x = 1,413,266.99
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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.