Finding the Fourth Proportional to 2,869,590.12, 3,960,213.47 and 1,580,430.17
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Solution
The fourth proportional to 2,869,590.12, 3,960,213.47 and 1,580,430.17 is: 2,181,092.27
Step by Step Solution
- Step 1: Write the proportion equation
2,869,590.12 : 3,960,213.47 = 1,580,430.17 : x - Step 2: Convert to fraction form
2,869,590.12/3,960,213.47 = 1,580,430.17/x - Step 3: Cross multiply
2,869,590.12x = 3,960,213.47 × 1,580,430.17 - Step 4: Simplify right side
2,869,590.12x = 6,258,840,819,925.17 - Step 5: Solve for x
x = 6,258,840,819,925.17/2,869,590.12 - Step 6: Final answer
x = 2,181,092.27
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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.