Finding the Fourth Proportional to 1,821,440.55, 2,731,973.57 and 606,885.99
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Solution
The fourth proportional to 1,821,440.55, 2,731,973.57 and 606,885.99 is: 910,266.59
Step by Step Solution
- Step 1: Write the proportion equation
1,821,440.55 : 2,731,973.57 = 606,885.99 : x - Step 2: Convert to fraction form
1,821,440.55/2,731,973.57 = 606,885.99/x - Step 3: Cross multiply
1,821,440.55x = 2,731,973.57 × 606,885.99 - Step 4: Simplify right side
1,821,440.55x = 1,657,996,484,683.28 - Step 5: Solve for x
x = 1,657,996,484,683.28/1,821,440.55 - Step 6: Final answer
x = 910,266.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.