Finding the Fourth Proportional to 4,772,508.24, 7,158,777.12 and 1,178,275.62
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Solution
The fourth proportional to 4,772,508.24, 7,158,777.12 and 1,178,275.62 is: 1,767,417.07
Step by Step Solution
- Step 1: Write the proportion equation
4,772,508.24 : 7,158,777.12 = 1,178,275.62 : x - Step 2: Convert to fraction form
4,772,508.24/7,158,777.12 = 1,178,275.62/x - Step 3: Cross multiply
4,772,508.24x = 7,158,777.12 × 1,178,275.62 - Step 4: Simplify right side
4,772,508.24x = 8,435,012,549,509.82 - Step 5: Solve for x
x = 8,435,012,549,509.82/4,772,508.24 - Step 6: Final answer
x = 1,767,417.07
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1.5x scale
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.