Finding the Fourth Proportional to 6,426,582.12, 8,868,389.16 and 3,525,913.08
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Solution
The fourth proportional to 6,426,582.12, 8,868,389.16 and 3,525,913.08 is: 4,865,598.66
Step by Step Solution
- Step 1: Write the proportion equation
6,426,582.12 : 8,868,389.16 = 3,525,913.08 : x - Step 2: Convert to fraction form
6,426,582.12/8,868,389.16 = 3,525,913.08/x - Step 3: Cross multiply
6,426,582.12x = 8,868,389.16 × 3,525,913.08 - Step 4: Simplify right side
6,426,582.12x = 31,269,169,337,774.21 - Step 5: Solve for x
x = 31,269,169,337,774.21/6,426,582.12 - Step 6: Final answer
x = 4,865,598.66
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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.