Finding the Fourth Proportional to 4,750,136.70, 6,555,029.18 and 2,815,248.59
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Solution
The fourth proportional to 4,750,136.70, 6,555,029.18 and 2,815,248.59 is: 3,884,948.53
Step by Step Solution
- Step 1: Write the proportion equation
4,750,136.70 : 6,555,029.18 = 2,815,248.59 : x - Step 2: Convert to fraction form
4,750,136.70/6,555,029.18 = 2,815,248.59/x - Step 3: Cross multiply
4,750,136.70x = 6,555,029.18 × 2,815,248.59 - Step 4: Simplify right side
4,750,136.70x = 18,454,036,609,552.46 - Step 5: Solve for x
x = 18,454,036,609,552.46/4,750,136.70 - Step 6: Final answer
x = 3,884,948.53
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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.