Finding the Fourth Proportional to 1,630,205.40, 2,249,639.68 and 977,200.36
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Solution
The fourth proportional to 1,630,205.40, 2,249,639.68 and 977,200.36 is: 1,348,510.26
Step by Step Solution
- Step 1: Write the proportion equation
1,630,205.40 : 2,249,639.68 = 977,200.36 : x - Step 2: Convert to fraction form
1,630,205.40/2,249,639.68 = 977,200.36/x - Step 3: Cross multiply
1,630,205.40x = 2,249,639.68 × 977,200.36 - Step 4: Simplify right side
1,630,205.40x = 2,198,348,705,166.29 - Step 5: Solve for x
x = 2,198,348,705,166.29/1,630,205.40 - Step 6: Final answer
x = 1,348,510.26
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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.