Finding the Fourth Proportional to 1,806,478.53, 2,709,719.01 and 458,742.21
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Solution
The fourth proportional to 1,806,478.53, 2,709,719.01 and 458,742.21 is: 688,113.62
Step by Step Solution
- Step 1: Write the proportion equation
1,806,478.53 : 2,709,719.01 = 458,742.21 : x - Step 2: Convert to fraction form
1,806,478.53/2,709,719.01 = 458,742.21/x - Step 3: Cross multiply
1,806,478.53x = 2,709,719.01 × 458,742.21 - Step 4: Simplify right side
1,806,478.53x = 1,243,062,487,126.41 - Step 5: Solve for x
x = 1,243,062,487,126.41/1,806,478.53 - Step 6: Final answer
x = 688,113.62
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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.