Finding the Fourth Proportional to 2,898,683.55, 4,000,106.43 and 1,609,490.79
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Solution
The fourth proportional to 2,898,683.55, 4,000,106.43 and 1,609,490.79 is: 2,221,054.61
Step by Step Solution
- Step 1: Write the proportion equation
2,898,683.55 : 4,000,106.43 = 1,609,490.79 : x - Step 2: Convert to fraction form
2,898,683.55/4,000,106.43 = 1,609,490.79/x - Step 3: Cross multiply
2,898,683.55x = 4,000,106.43 × 1,609,490.79 - Step 4: Simplify right side
2,898,683.55x = 6,438,134,458,104.78 - Step 5: Solve for x
x = 6,438,134,458,104.78/2,898,683.55 - Step 6: Final answer
x = 2,221,054.61
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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.