Finding the Fourth Proportional to 3,046,415.34, 4,203,981.63 and 1,688,259.18
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Solution
The fourth proportional to 3,046,415.34, 4,203,981.63 and 1,688,259.18 is: 2,329,758.02
Step by Step Solution
- Step 1: Write the proportion equation
3,046,415.34 : 4,203,981.63 = 1,688,259.18 : x - Step 2: Convert to fraction form
3,046,415.34/4,203,981.63 = 1,688,259.18/x - Step 3: Cross multiply
3,046,415.34x = 4,203,981.63 × 1,688,259.18 - Step 4: Simplify right side
3,046,415.34x = 7,097,410,579,398.86 - Step 5: Solve for x
x = 7,097,410,579,398.86/3,046,415.34 - Step 6: Final answer
x = 2,329,758.02
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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.