Finding the Fourth Proportional to 1,630,204.40, 2,249,638.30 and 977,199.36
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Solution
The fourth proportional to 1,630,204.40, 2,249,638.30 and 977,199.36 is: 1,348,508.88
Step by Step Solution
- Step 1: Write the proportion equation
1,630,204.40 : 2,249,638.30 = 977,199.36 : x - Step 2: Convert to fraction form
1,630,204.40/2,249,638.30 = 977,199.36/x - Step 3: Cross multiply
1,630,204.40x = 2,249,638.30 × 977,199.36 - Step 4: Simplify right side
1,630,204.40x = 2,198,345,106,991.49 - Step 5: Solve for x
x = 2,198,345,106,991.49/1,630,204.40 - Step 6: Final answer
x = 1,348,508.88
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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.