Finding the Fourth Proportional to 1,657,368.21, 2,287,191.75 and 978,304.71
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Solution
The fourth proportional to 1,657,368.21, 2,287,191.75 and 978,304.71 is: 1,350,074.44
Step by Step Solution
- Step 1: Write the proportion equation
1,657,368.21 : 2,287,191.75 = 978,304.71 : x - Step 2: Convert to fraction form
1,657,368.21/2,287,191.75 = 978,304.71/x - Step 3: Cross multiply
1,657,368.21x = 2,287,191.75 × 978,304.71 - Step 4: Simplify right side
1,657,368.21x = 2,237,570,461,698.14 - Step 5: Solve for x
x = 2,237,570,461,698.14/1,657,368.21 - Step 6: Final answer
x = 1,350,074.44
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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.