Finding the Fourth Proportional to 1,790,483.12, 2,470,866.64 and 974,692.70
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Solution
The fourth proportional to 1,790,483.12, 2,470,866.64 and 974,692.70 is: 1,345,075.89
Step by Step Solution
- Step 1: Write the proportion equation
1,790,483.12 : 2,470,866.64 = 974,692.70 : x - Step 2: Convert to fraction form
1,790,483.12/2,470,866.64 = 974,692.70/x - Step 3: Cross multiply
1,790,483.12x = 2,470,866.64 × 974,692.70 - Step 4: Simplify right side
1,790,483.12x = 2,408,335,676,681.53 - Step 5: Solve for x
x = 2,408,335,676,681.53/1,790,483.12 - Step 6: Final answer
x = 1,345,075.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.