Finding the Fourth Proportional to 2,712,465.60, 4,064,032.80 and 1,765,348.80
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Solution
The fourth proportional to 2,712,465.60, 4,064,032.80 and 1,765,348.80 is: 2,644,986.70
Step by Step Solution
- Step 1: Write the proportion equation
2,712,465.60 : 4,064,032.80 = 1,765,348.80 : x - Step 2: Convert to fraction form
2,712,465.60/4,064,032.80 = 1,765,348.80/x - Step 3: Cross multiply
2,712,465.60x = 4,064,032.80 × 1,765,348.80 - Step 4: Simplify right side
2,712,465.60x = 7,174,435,426,640.64 - Step 5: Solve for x
x = 7,174,435,426,640.64/2,712,465.60 - Step 6: Final answer
x = 2,644,986.70
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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.