Finding the Fourth Proportional to 1,781,938.41, 2,671,726.94 and 644,550.95
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Solution
The fourth proportional to 1,781,938.41, 2,671,726.94 and 644,550.95 is: 966,399.35
Step by Step Solution
- Step 1: Write the proportion equation
1,781,938.41 : 2,671,726.94 = 644,550.95 : x - Step 2: Convert to fraction form
1,781,938.41/2,671,726.94 = 644,550.95/x - Step 3: Cross multiply
1,781,938.41x = 2,671,726.94 × 644,550.95 - Step 4: Simplify right side
1,781,938.41x = 1,722,064,120,736.20 - Step 5: Solve for x
x = 1,722,064,120,736.20/1,781,938.41 - Step 6: Final answer
x = 966,399.35
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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.