Finding the Fourth Proportional to 1,437,298.71, 2,157,443.42 and 1,058,646.99
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Solution
The fourth proportional to 1,437,298.71, 2,157,443.42 and 1,058,646.99 is: 1,589,071.89
Step by Step Solution
- Step 1: Write the proportion equation
1,437,298.71 : 2,157,443.42 = 1,058,646.99 : x - Step 2: Convert to fraction form
1,437,298.71/2,157,443.42 = 1,058,646.99/x - Step 3: Cross multiply
1,437,298.71x = 2,157,443.42 × 1,058,646.99 - Step 4: Simplify right side
1,437,298.71x = 2,283,970,982,678.31 - Step 5: Solve for x
x = 2,283,970,982,678.31/1,437,298.71 - Step 6: Final answer
x = 1,589,071.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.