Finding the Fourth Proportional to 2,152,336.19, 2,970,358.70 and 1,185,466.12
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Solution
The fourth proportional to 2,152,336.19, 2,970,358.70 and 1,185,466.12 is: 1,636,017.47
Step by Step Solution
- Step 1: Write the proportion equation
2,152,336.19 : 2,970,358.70 = 1,185,466.12 : x - Step 2: Convert to fraction form
2,152,336.19/2,970,358.70 = 1,185,466.12/x - Step 3: Cross multiply
2,152,336.19x = 2,970,358.70 × 1,185,466.12 - Step 4: Simplify right side
2,152,336.19x = 3,521,259,606,060.91 - Step 5: Solve for x
x = 3,521,259,606,060.91/2,152,336.19 - Step 6: Final answer
x = 1,636,017.47
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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.