Finding the Fourth Proportional to 2,124,369.60, 2,931,643.17 and 1,264,966.08
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Solution
The fourth proportional to 2,124,369.60, 2,931,643.17 and 1,264,966.08 is: 1,745,661.00
Step by Step Solution
- Step 1: Write the proportion equation
2,124,369.60 : 2,931,643.17 = 1,264,966.08 : x - Step 2: Convert to fraction form
2,124,369.60/2,931,643.17 = 1,264,966.08/x - Step 3: Cross multiply
2,124,369.60x = 2,931,643.17 × 1,264,966.08 - Step 4: Simplify right side
2,124,369.60x = 3,708,429,168,713.67 - Step 5: Solve for x
x = 3,708,429,168,713.67/2,124,369.60 - Step 6: Final answer
x = 1,745,661.00
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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.