Finding the Fourth Proportional to 2,518,315.28, 3,778,588.28 and 1,319,952.68
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Solution
The fourth proportional to 2,518,315.28, 3,778,588.28 and 1,319,952.68 is: 1,980,513.63
Step by Step Solution
- Step 1: Write the proportion equation
2,518,315.28 : 3,778,588.28 = 1,319,952.68 : x - Step 2: Convert to fraction form
2,518,315.28/3,778,588.28 = 1,319,952.68/x - Step 3: Cross multiply
2,518,315.28x = 3,778,588.28 × 1,319,952.68 - Step 4: Simplify right side
2,518,315.28x = 4,987,557,726,802.59 - Step 5: Solve for x
x = 4,987,557,726,802.59/2,518,315.28 - Step 6: Final answer
x = 1,980,513.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.