Finding the Fourth Proportional to 4,345,987.60, 6,518,981.40 and 2,549,731.60
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Solution
The fourth proportional to 4,345,987.60, 6,518,981.40 and 2,549,731.60 is: 3,824,597.40
Step by Step Solution
- Step 1: Write the proportion equation
4,345,987.60 : 6,518,981.40 = 2,549,731.60 : x - Step 2: Convert to fraction form
4,345,987.60/6,518,981.40 = 2,549,731.60/x - Step 3: Cross multiply
4,345,987.60x = 6,518,981.40 × 2,549,731.60 - Step 4: Simplify right side
4,345,987.60x = 16,621,652,875,392.24 - Step 5: Solve for x
x = 16,621,652,875,392.24/4,345,987.60 - Step 6: Final answer
x = 3,824,597.40
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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.