Finding the Fourth Proportional to 3,340,921.98, 4,610,472.16 and 1,813,029.11
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Solution
The fourth proportional to 3,340,921.98, 4,610,472.16 and 1,813,029.11 is: 2,501,980.08
Step by Step Solution
- Step 1: Write the proportion equation
3,340,921.98 : 4,610,472.16 = 1,813,029.11 : x - Step 2: Convert to fraction form
3,340,921.98/4,610,472.16 = 1,813,029.11/x - Step 3: Cross multiply
3,340,921.98x = 4,610,472.16 × 1,813,029.11 - Step 4: Simplify right side
3,340,921.98x = 8,358,920,236,924.58 - Step 5: Solve for x
x = 8,358,920,236,924.58/3,340,921.98 - Step 6: Final answer
x = 2,501,980.08
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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.