Finding the Fourth Proportional to 1,579,547.55, 2,179,775.91 and 854,395.05
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Solution
The fourth proportional to 1,579,547.55, 2,179,775.91 and 854,395.05 is: 1,179,065.33
Step by Step Solution
- Step 1: Write the proportion equation
1,579,547.55 : 2,179,775.91 = 854,395.05 : x - Step 2: Convert to fraction form
1,579,547.55/2,179,775.91 = 854,395.05/x - Step 3: Cross multiply
1,579,547.55x = 2,179,775.91 × 854,395.05 - Step 4: Simplify right side
1,579,547.55x = 1,862,389,747,613.25 - Step 5: Solve for x
x = 1,862,389,747,613.25/1,579,547.55 - Step 6: Final answer
x = 1,179,065.33
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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.