Finding the Fourth Proportional to 2,911,333.08, 4,017,655.55 and 1,688,363.67
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Solution
The fourth proportional to 2,911,333.08, 4,017,655.55 and 1,688,363.67 is: 2,329,951.09
Step by Step Solution
- Step 1: Write the proportion equation
2,911,333.08 : 4,017,655.55 = 1,688,363.67 : x - Step 2: Convert to fraction form
2,911,333.08/4,017,655.55 = 1,688,363.67/x - Step 3: Cross multiply
2,911,333.08x = 4,017,655.55 × 1,688,363.67 - Step 4: Simplify right side
2,911,333.08x = 6,783,263,669,193.87 - Step 5: Solve for x
x = 6,783,263,669,193.87/2,911,333.08 - Step 6: Final answer
x = 2,329,951.09
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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.