Finding the Fourth Proportional to 2,938,961.60, 4,056,363.68 and 1,698,624.62
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Solution
The fourth proportional to 2,938,961.60, 4,056,363.68 and 1,698,624.62 is: 2,344,446.83
Step by Step Solution
- Step 1: Write the proportion equation
2,938,961.60 : 4,056,363.68 = 1,698,624.62 : x - Step 2: Convert to fraction form
2,938,961.60/4,056,363.68 = 1,698,624.62/x - Step 3: Cross multiply
2,938,961.60x = 4,056,363.68 × 1,698,624.62 - Step 4: Simplify right side
2,938,961.60x = 6,890,239,185,746.86 - Step 5: Solve for x
x = 6,890,239,185,746.86/2,938,961.60 - Step 6: Final answer
x = 2,344,446.83
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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.