Finding the Fourth Proportional to 4,899,752.40, 7,349,110.20 and 1,533,781.20
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Solution
The fourth proportional to 4,899,752.40, 7,349,110.20 and 1,533,781.20 is: 2,300,509.52
Step by Step Solution
- Step 1: Write the proportion equation
4,899,752.40 : 7,349,110.20 = 1,533,781.20 : x - Step 2: Convert to fraction form
4,899,752.40/7,349,110.20 = 1,533,781.20/x - Step 3: Cross multiply
4,899,752.40x = 7,349,110.20 × 1,533,781.20 - Step 4: Simplify right side
4,899,752.40x = 11,271,927,061,488.24 - Step 5: Solve for x
x = 11,271,927,061,488.24/4,899,752.40 - Step 6: Final answer
x = 2,300,509.52
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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.