Finding the Fourth Proportional to 1,771,643.99, 2,660,667.12 and 1,629,226.55
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Solution
The fourth proportional to 1,771,643.99, 2,660,667.12 and 1,629,226.55 is: 2,446,783.63
Step by Step Solution
- Step 1: Write the proportion equation
1,771,643.99 : 2,660,667.12 = 1,629,226.55 : x - Step 2: Convert to fraction form
1,771,643.99/2,660,667.12 = 1,629,226.55/x - Step 3: Cross multiply
1,771,643.99x = 2,660,667.12 × 1,629,226.55 - Step 4: Simplify right side
1,771,643.99x = 4,334,829,499,312.70 - Step 5: Solve for x
x = 4,334,829,499,312.70/1,771,643.99 - Step 6: Final answer
x = 2,446,783.63
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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.