Finding the Fourth Proportional to 1,879,621.98, 2,593,881.18 and 1,020,182.55
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Solution
The fourth proportional to 1,879,621.98, 2,593,881.18 and 1,020,182.55 is: 1,407,853.46
Step by Step Solution
- Step 1: Write the proportion equation
1,879,621.98 : 2,593,881.18 = 1,020,182.55 : x - Step 2: Convert to fraction form
1,879,621.98/2,593,881.18 = 1,020,182.55/x - Step 3: Cross multiply
1,879,621.98x = 2,593,881.18 × 1,020,182.55 - Step 4: Simplify right side
1,879,621.98x = 2,646,232,316,609.41 - Step 5: Solve for x
x = 2,646,232,316,609.41/1,879,621.98 - Step 6: Final answer
x = 1,407,853.46
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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.