Finding the Fourth Proportional to 1,564,703.84, 2,347,421.88 and 485,159.60
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Solution
The fourth proportional to 1,564,703.84, 2,347,421.88 and 485,159.60 is: 727,852.92
Step by Step Solution
- Step 1: Write the proportion equation
1,564,703.84 : 2,347,421.88 = 485,159.60 : x - Step 2: Convert to fraction form
1,564,703.84/2,347,421.88 = 485,159.60/x - Step 3: Cross multiply
1,564,703.84x = 2,347,421.88 × 485,159.60 - Step 4: Simplify right side
1,564,703.84x = 1,138,874,260,332.05 - Step 5: Solve for x
x = 1,138,874,260,332.05/1,564,703.84 - Step 6: Final answer
x = 727,852.92
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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.