Finding the Fourth Proportional to 4,977,419.36, 6,854,378.04 and 4,323,746.96
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Solution
The fourth proportional to 4,977,419.36, 6,854,378.04 and 4,323,746.96 is: 5,954,209.21
Step by Step Solution
- Step 1: Write the proportion equation
4,977,419.36 : 6,854,378.04 = 4,323,746.96 : x - Step 2: Convert to fraction form
4,977,419.36/6,854,378.04 = 4,323,746.96/x - Step 3: Cross multiply
4,977,419.36x = 6,854,378.04 × 4,323,746.96 - Step 4: Simplify right side
4,977,419.36x = 29,636,596,213,140.76 - Step 5: Solve for x
x = 29,636,596,213,140.76/4,977,419.36 - Step 6: Final answer
x = 5,954,209.21
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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.