Finding the Fourth Proportional to 5,536,781.80, 8,289,426.30 and 4,266,572.20
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Solution
The fourth proportional to 5,536,781.80, 8,289,426.30 and 4,266,572.20 is: 6,387,724.33
Step by Step Solution
- Step 1: Write the proportion equation
5,536,781.80 : 8,289,426.30 = 4,266,572.20 : x - Step 2: Convert to fraction form
5,536,781.80/8,289,426.30 = 4,266,572.20/x - Step 3: Cross multiply
5,536,781.80x = 8,289,426.30 × 4,266,572.20 - Step 4: Simplify right side
5,536,781.80x = 35,367,435,805,528.86 - Step 5: Solve for x
x = 35,367,435,805,528.86/5,536,781.80 - Step 6: Final answer
x = 6,387,724.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.