Finding the Fourth Proportional to 4,991,401.71, 6,888,138.95 and 2,699,562.40
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Solution
The fourth proportional to 4,991,401.71, 6,888,138.95 and 2,699,562.40 is: 3,725,398.59
Step by Step Solution
- Step 1: Write the proportion equation
4,991,401.71 : 6,888,138.95 = 2,699,562.40 : x - Step 2: Convert to fraction form
4,991,401.71/6,888,138.95 = 2,699,562.40/x - Step 3: Cross multiply
4,991,401.71x = 6,888,138.95 × 2,699,562.40 - Step 4: Simplify right side
4,991,401.71x = 18,594,960,904,924.04 - Step 5: Solve for x
x = 18,594,960,904,924.04/4,991,401.71 - Step 6: Final answer
x = 3,725,398.59
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1.5x scale
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.