Finding the Fourth Proportional to 4,342,679.30, 5,992,276.76 and 2,599,931.10
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Solution
The fourth proportional to 4,342,679.30, 5,992,276.76 and 2,599,931.10 is: 3,587,533.32
Step by Step Solution
- Step 1: Write the proportion equation
4,342,679.30 : 5,992,276.76 = 2,599,931.10 : x - Step 2: Convert to fraction form
4,342,679.30/5,992,276.76 = 2,599,931.10/x - Step 3: Cross multiply
4,342,679.30x = 5,992,276.76 × 2,599,931.10 - Step 4: Simplify right side
4,342,679.30x = 15,579,506,708,131.24 - Step 5: Solve for x
x = 15,579,506,708,131.24/4,342,679.30 - Step 6: Final answer
x = 3,587,533.32
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Double scale
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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.