Finding the Fourth Proportional to 6,920,031.08, 10,382,267.64 and 3,326,058.65
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Solution
The fourth proportional to 6,920,031.08, 10,382,267.64 and 3,326,058.65 is: 4,990,155.49
Step by Step Solution
- Step 1: Write the proportion equation
6,920,031.08 : 10,382,267.64 = 3,326,058.65 : x - Step 2: Convert to fraction form
6,920,031.08/10,382,267.64 = 3,326,058.65/x - Step 3: Cross multiply
6,920,031.08x = 10,382,267.64 × 3,326,058.65 - Step 4: Simplify right side
6,920,031.08x = 34,532,031,090,637.09 - Step 5: Solve for x
x = 34,532,031,090,637.09/6,920,031.08 - Step 6: Final answer
x = 4,990,155.49
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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.