Finding the Fourth Proportional to 1,630,692.74, 2,250,413.61 and 905,551.94
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Solution
The fourth proportional to 1,630,692.74, 2,250,413.61 and 905,551.94 is: 1,249,693.68
Step by Step Solution
- Step 1: Write the proportion equation
1,630,692.74 : 2,250,413.61 = 905,551.94 : x - Step 2: Convert to fraction form
1,630,692.74/2,250,413.61 = 905,551.94/x - Step 3: Cross multiply
1,630,692.74x = 2,250,413.61 × 905,551.94 - Step 4: Simplify right side
1,630,692.74x = 2,037,866,410,337.90 - Step 5: Solve for x
x = 2,037,866,410,337.90/1,630,692.74 - Step 6: Final answer
x = 1,249,693.68
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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.