Finding the Fourth Proportional to 4,542,316.18, 6,266,813.43 and 2,911,622.71
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Solution
The fourth proportional to 4,542,316.18, 6,266,813.43 and 2,911,622.71 is: 4,017,024.71
Step by Step Solution
- Step 1: Write the proportion equation
4,542,316.18 : 6,266,813.43 = 2,911,622.71 : x - Step 2: Convert to fraction form
4,542,316.18/6,266,813.43 = 2,911,622.71/x - Step 3: Cross multiply
4,542,316.18x = 6,266,813.43 × 2,911,622.71 - Step 4: Simplify right side
4,542,316.18x = 18,246,596,309,122.82 - Step 5: Solve for x
x = 18,246,596,309,122.82/4,542,316.18 - Step 6: Final answer
x = 4,017,024.71
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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.