Finding the Fourth Proportional to 1,490,023.30, 2,235,368.12 and 543,394.02
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Solution
The fourth proportional to 1,490,023.30, 2,235,368.12 and 543,394.02 is: 815,212.53
Step by Step Solution
- Step 1: Write the proportion equation
1,490,023.30 : 2,235,368.12 = 543,394.02 : x - Step 2: Convert to fraction form
1,490,023.30/2,235,368.12 = 543,394.02/x - Step 3: Cross multiply
1,490,023.30x = 2,235,368.12 × 543,394.02 - Step 4: Simplify right side
1,490,023.30x = 1,214,685,655,012.83 - Step 5: Solve for x
x = 1,214,685,655,012.83/1,490,023.30 - Step 6: Final answer
x = 815,212.53
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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.