Finding the Fourth Proportional to 2,779,429.25, 4,169,862.71 and 1,627,648.53
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Solution
The fourth proportional to 2,779,429.25, 4,169,862.71 and 1,627,648.53 is: 2,441,893.75
Step by Step Solution
- Step 1: Write the proportion equation
2,779,429.25 : 4,169,862.71 = 1,627,648.53 : x - Step 2: Convert to fraction form
2,779,429.25/4,169,862.71 = 1,627,648.53/x - Step 3: Cross multiply
2,779,429.25x = 4,169,862.71 × 1,627,648.53 - Step 4: Simplify right side
2,779,429.25x = 6,787,070,902,095.07 - Step 5: Solve for x
x = 6,787,070,902,095.07/2,779,429.25 - Step 6: Final answer
x = 2,441,893.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.