Finding the Fourth Proportional to 1,630,206.40, 2,249,641.06 and 977,201.36
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Solution
The fourth proportional to 1,630,206.40, 2,249,641.06 and 977,201.36 is: 1,348,511.64
Step by Step Solution
- Step 1: Write the proportion equation
1,630,206.40 : 2,249,641.06 = 977,201.36 : x - Step 2: Convert to fraction form
1,630,206.40/2,249,641.06 = 977,201.36/x - Step 3: Cross multiply
1,630,206.40x = 2,249,641.06 × 977,201.36 - Step 4: Simplify right side
1,630,206.40x = 2,198,352,303,343.84 - Step 5: Solve for x
x = 2,198,352,303,343.84/1,630,206.40 - Step 6: Final answer
x = 1,348,511.64
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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.