Finding the Fourth Proportional to 1,587,297.05, 2,190,486 and 862,158.93
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Solution
The fourth proportional to 1,587,297.05, 2,190,486 and 862,158.93 is: 1,189,788.05
Step by Step Solution
- Step 1: Write the proportion equation
1,587,297.05 : 2,190,486 = 862,158.93 : x - Step 2: Convert to fraction form
1,587,297.05/2,190,486 = 862,158.93/x - Step 3: Cross multiply
1,587,297.05x = 2,190,486 × 862,158.93 - Step 4: Simplify right side
1,587,297.05x = 1,888,547,065,939.98 - Step 5: Solve for x
x = 1,888,547,065,939.98/1,587,297.05 - Step 6: Final answer
x = 1,189,788.05
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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.