Finding the Fourth Proportional to 2,390,156.40, 3,587,275.80 and 971,230.80
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Solution
The fourth proportional to 2,390,156.40, 3,587,275.80 and 971,230.80 is: 1,457,675.63
Step by Step Solution
- Step 1: Write the proportion equation
2,390,156.40 : 3,587,275.80 = 971,230.80 : x - Step 2: Convert to fraction form
2,390,156.40/3,587,275.80 = 971,230.80/x - Step 3: Cross multiply
2,390,156.40x = 3,587,275.80 × 971,230.80 - Step 4: Simplify right side
2,390,156.40x = 3,484,072,745,054.64 - Step 5: Solve for x
x = 3,484,072,745,054.64/2,390,156.40 - Step 6: Final answer
x = 1,457,675.63
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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.