Finding the Fourth Proportional to 2,292,123.84, 3,163,149.64 and 1,433,182.02
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Solution
The fourth proportional to 2,292,123.84, 3,163,149.64 and 1,433,182.02 is: 1,977,802.91
Step by Step Solution
- Step 1: Write the proportion equation
2,292,123.84 : 3,163,149.64 = 1,433,182.02 : x - Step 2: Convert to fraction form
2,292,123.84/3,163,149.64 = 1,433,182.02/x - Step 3: Cross multiply
2,292,123.84x = 3,163,149.64 × 1,433,182.02 - Step 4: Simplify right side
2,292,123.84x = 4,533,369,190,617.47 - Step 5: Solve for x
x = 4,533,369,190,617.47/2,292,123.84 - Step 6: Final answer
x = 1,977,802.91
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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.