Finding the Fourth Proportional to 4,643,139.24, 6,407,532.20 and 2,605,948.76
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Solution
The fourth proportional to 4,643,139.24, 6,407,532.20 and 2,605,948.76 is: 3,596,209.32
Step by Step Solution
- Step 1: Write the proportion equation
4,643,139.24 : 6,407,532.20 = 2,605,948.76 : x - Step 2: Convert to fraction form
4,643,139.24/6,407,532.20 = 2,605,948.76/x - Step 3: Cross multiply
4,643,139.24x = 6,407,532.20 × 2,605,948.76 - Step 4: Simplify right side
4,643,139.24x = 16,697,700,591,250.07 - Step 5: Solve for x
x = 16,697,700,591,250.07/4,643,139.24 - Step 6: Final answer
x = 3,596,209.32
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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.