Finding the Fourth Proportional to 5,423,377.74, 7,484,240.75 and 2,976,029.75
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Solution
The fourth proportional to 5,423,377.74, 7,484,240.75 and 2,976,029.75 is: 4,106,909.78
Step by Step Solution
- Step 1: Write the proportion equation
5,423,377.74 : 7,484,240.75 = 2,976,029.75 : x - Step 2: Convert to fraction form
5,423,377.74/7,484,240.75 = 2,976,029.75/x - Step 3: Cross multiply
5,423,377.74x = 7,484,240.75 × 2,976,029.75 - Step 4: Simplify right side
5,423,377.74x = 22,273,323,075,860.96 - Step 5: Solve for x
x = 22,273,323,075,860.96/5,423,377.74 - Step 6: Final answer
x = 4,106,909.78
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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.