Finding the Fourth Proportional to 1,661,867.99, 2,492,802.67 and 1,283,342.03
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Solution
The fourth proportional to 1,661,867.99, 2,492,802.67 and 1,283,342.03 is: 1,925,013.57
Step by Step Solution
- Step 1: Write the proportion equation
1,661,867.99 : 2,492,802.67 = 1,283,342.03 : x - Step 2: Convert to fraction form
1,661,867.99/2,492,802.67 = 1,283,342.03/x - Step 3: Cross multiply
1,661,867.99x = 2,492,802.67 × 1,283,342.03 - Step 4: Simplify right side
1,661,867.99x = 3,199,118,438,907.22 - Step 5: Solve for x
x = 3,199,118,438,907.22/1,661,867.99 - Step 6: Final answer
x = 1,925,013.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.