Finding the Fourth Proportional to 1,531,572.68, 2,297,359.56 and 689,140.28
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Solution
The fourth proportional to 1,531,572.68, 2,297,359.56 and 689,140.28 is: 1,033,710.66
Step by Step Solution
- Step 1: Write the proportion equation
1,531,572.68 : 2,297,359.56 = 689,140.28 : x - Step 2: Convert to fraction form
1,531,572.68/2,297,359.56 = 689,140.28/x - Step 3: Cross multiply
1,531,572.68x = 2,297,359.56 × 689,140.28 - Step 4: Simplify right side
1,531,572.68x = 1,583,203,010,439.08 - Step 5: Solve for x
x = 1,583,203,010,439.08/1,531,572.68 - Step 6: Final answer
x = 1,033,710.66
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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.