Finding the Fourth Proportional to 4,078,312.16, 6,117,070.71 and 1,238,448.92
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Solution
The fourth proportional to 4,078,312.16, 6,117,070.71 and 1,238,448.92 is: 1,857,552.66
Step by Step Solution
- Step 1: Write the proportion equation
4,078,312.16 : 6,117,070.71 = 1,238,448.92 : x - Step 2: Convert to fraction form
4,078,312.16/6,117,070.71 = 1,238,448.92/x - Step 3: Cross multiply
4,078,312.16x = 6,117,070.71 × 1,238,448.92 - Step 4: Simplify right side
4,078,312.16x = 7,575,679,614,363.13 - Step 5: Solve for x
x = 7,575,679,614,363.13/4,078,312.16 - Step 6: Final answer
x = 1,857,552.66
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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.