Finding the Fourth Proportional to 1,587,828.52, 2,190,720.63 and 899,390.99
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Solution
The fourth proportional to 1,587,828.52, 2,190,720.63 and 899,390.99 is: 1,240,886.14
Step by Step Solution
- Step 1: Write the proportion equation
1,587,828.52 : 2,190,720.63 = 899,390.99 : x - Step 2: Convert to fraction form
1,587,828.52/2,190,720.63 = 899,390.99/x - Step 3: Cross multiply
1,587,828.52x = 2,190,720.63 × 899,390.99 - Step 4: Simplify right side
1,587,828.52x = 1,970,314,405,078.64 - Step 5: Solve for x
x = 1,970,314,405,078.64/1,587,828.52 - Step 6: Final answer
x = 1,240,886.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.