Finding the Fourth Proportional to 4,294,763.80, 5,926,421.74 and 2,528,381.74
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Solution
The fourth proportional to 4,294,763.80, 5,926,421.74 and 2,528,381.74 is: 3,488,959.40
Step by Step Solution
- Step 1: Write the proportion equation
4,294,763.80 : 5,926,421.74 = 2,528,381.74 : x - Step 2: Convert to fraction form
4,294,763.80/5,926,421.74 = 2,528,381.74/x - Step 3: Cross multiply
4,294,763.80x = 5,926,421.74 × 2,528,381.74 - Step 4: Simplify right side
4,294,763.80x = 14,984,256,510,955.03 - Step 5: Solve for x
x = 14,984,256,510,955.03/4,294,763.80 - Step 6: Final answer
x = 3,488,959.40
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1.5x scale
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.