Finding the Fourth Proportional to 1,929,888.18, 2,655,423.81 and 1,584,451.53
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Solution
The fourth proportional to 1,929,888.18, 2,655,423.81 and 1,584,451.53 is: 2,180,121.30
Step by Step Solution
- Step 1: Write the proportion equation
1,929,888.18 : 2,655,423.81 = 1,584,451.53 : x - Step 2: Convert to fraction form
1,929,888.18/2,655,423.81 = 1,584,451.53/x - Step 3: Cross multiply
1,929,888.18x = 2,655,423.81 × 1,584,451.53 - Step 4: Simplify right side
1,929,888.18x = 4,207,390,318,552.93 - Step 5: Solve for x
x = 4,207,390,318,552.93/1,929,888.18 - Step 6: Final answer
x = 2,180,121.30
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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.