Finding the Fourth Proportional to 3,397,681.98, 4,688,802 and 1,869,789.06
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Solution
The fourth proportional to 3,397,681.98, 4,688,802 and 1,869,789.06 is: 2,580,309.38
Step by Step Solution
- Step 1: Write the proportion equation
3,397,681.98 : 4,688,802 = 1,869,789.06 : x - Step 2: Convert to fraction form
3,397,681.98/4,688,802 = 1,869,789.06/x - Step 3: Cross multiply
3,397,681.98x = 4,688,802 × 1,869,789.06 - Step 4: Simplify right side
3,397,681.98x = 8,767,070,684,106.12 - Step 5: Solve for x
x = 8,767,070,684,106.12/3,397,681.98 - Step 6: Final answer
x = 2,580,309.38
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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.