Finding the Fourth Proportional to 3,903,385.62, 5,387,074.70 and 2,249,590.80
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Solution
The fourth proportional to 3,903,385.62, 5,387,074.70 and 2,249,590.80 is: 3,104,667.30
Step by Step Solution
- Step 1: Write the proportion equation
3,903,385.62 : 5,387,074.70 = 2,249,590.80 : x - Step 2: Convert to fraction form
3,903,385.62/5,387,074.70 = 2,249,590.80/x - Step 3: Cross multiply
3,903,385.62x = 5,387,074.70 × 2,249,590.80 - Step 4: Simplify right side
3,903,385.62x = 12,118,713,684,032.76 - Step 5: Solve for x
x = 12,118,713,684,032.76/3,903,385.62 - Step 6: Final answer
x = 3,104,667.30
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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.