Finding the Fourth Proportional to 4,272,719.84, 5,896,352.94 and 2,312,597.55
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Solution
The fourth proportional to 4,272,719.84, 5,896,352.94 and 2,312,597.55 is: 3,191,384.38
Step by Step Solution
- Step 1: Write the proportion equation
4,272,719.84 : 5,896,352.94 = 2,312,597.55 : x - Step 2: Convert to fraction form
4,272,719.84/5,896,352.94 = 2,312,597.55/x - Step 3: Cross multiply
4,272,719.84x = 5,896,352.94 × 2,312,597.55 - Step 4: Simplify right side
4,272,719.84x = 13,635,891,362,979.30 - Step 5: Solve for x
x = 13,635,891,362,979.30/4,272,719.84 - Step 6: Final answer
x = 3,191,384.38
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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.