Finding the Fourth Proportional to 3,135,763.80, 4,702,479.30 and 1,242,113.40
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Solution
The fourth proportional to 3,135,763.80, 4,702,479.30 and 1,242,113.40 is: 1,862,708.08
Step by Step Solution
- Step 1: Write the proportion equation
3,135,763.80 : 4,702,479.30 = 1,242,113.40 : x - Step 2: Convert to fraction form
3,135,763.80/4,702,479.30 = 1,242,113.40/x - Step 3: Cross multiply
3,135,763.80x = 4,702,479.30 × 1,242,113.40 - Step 4: Simplify right side
3,135,763.80x = 5,841,012,551,752.62 - Step 5: Solve for x
x = 5,841,012,551,752.62/3,135,763.80 - Step 6: Final answer
x = 1,862,708.08
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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.