Finding the Fourth Proportional to 6,398,888.49, 8,830,497.35 and 3,498,279.50
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Solution
The fourth proportional to 6,398,888.49, 8,830,497.35 and 3,498,279.50 is: 4,827,642.79
Step by Step Solution
- Step 1: Write the proportion equation
6,398,888.49 : 8,830,497.35 = 3,498,279.50 : x - Step 2: Convert to fraction form
6,398,888.49/8,830,497.35 = 3,498,279.50/x - Step 3: Cross multiply
6,398,888.49x = 8,830,497.35 × 3,498,279.50 - Step 4: Simplify right side
6,398,888.49x = 30,891,547,885,131.26 - Step 5: Solve for x
x = 30,891,547,885,131.26/6,398,888.49 - Step 6: Final answer
x = 4,827,642.79
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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.