Finding the Fourth Proportional to 2,963,862.48, 4,090,149.84 and 1,605,735.48
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Solution
The fourth proportional to 2,963,862.48, 4,090,149.84 and 1,605,735.48 is: 2,215,925.59
Step by Step Solution
- Step 1: Write the proportion equation
2,963,862.48 : 4,090,149.84 = 1,605,735.48 : x - Step 2: Convert to fraction form
2,963,862.48/4,090,149.84 = 1,605,735.48/x - Step 3: Cross multiply
2,963,862.48x = 4,090,149.84 × 1,605,735.48 - Step 4: Simplify right side
2,963,862.48x = 6,567,698,716,604.32 - Step 5: Solve for x
x = 6,567,698,716,604.32/2,963,862.48 - Step 6: Final answer
x = 2,215,925.59
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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.