Finding the Fourth Proportional to 3,419,875.60, 5,128,603.80 and 1,175,491.60
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Solution
The fourth proportional to 3,419,875.60, 5,128,603.80 and 1,175,491.60 is: 1,762,821.63
Step by Step Solution
- Step 1: Write the proportion equation
3,419,875.60 : 5,128,603.80 = 1,175,491.60 : x - Step 2: Convert to fraction form
3,419,875.60/5,128,603.80 = 1,175,491.60/x - Step 3: Cross multiply
3,419,875.60x = 5,128,603.80 × 1,175,491.60 - Step 4: Simplify right side
3,419,875.60x = 6,028,630,686,628.08 - Step 5: Solve for x
x = 6,028,630,686,628.08/3,419,875.60 - Step 6: Final answer
x = 1,762,821.63
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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.