Finding the Fourth Proportional to 1,636,235.47, 2,454,521.13 and 626,207.05
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Solution
The fourth proportional to 1,636,235.47, 2,454,521.13 and 626,207.05 is: 939,374.84
Step by Step Solution
- Step 1: Write the proportion equation
1,636,235.47 : 2,454,521.13 = 626,207.05 : x - Step 2: Convert to fraction form
1,636,235.47/2,454,521.13 = 626,207.05/x - Step 3: Cross multiply
1,636,235.47x = 2,454,521.13 × 626,207.05 - Step 4: Simplify right side
1,636,235.47x = 1,537,038,435,979.97 - Step 5: Solve for x
x = 1,537,038,435,979.97/1,636,235.47 - Step 6: Final answer
x = 939,374.84
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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.