Finding the Fourth Proportional to 2,791,963.84, 4,186,637.60 and 1,172,386.66
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Solution
The fourth proportional to 2,791,963.84, 4,186,637.60 and 1,172,386.66 is: 1,758,030.67
Step by Step Solution
- Step 1: Write the proportion equation
2,791,963.84 : 4,186,637.60 = 1,172,386.66 : x - Step 2: Convert to fraction form
2,791,963.84/4,186,637.60 = 1,172,386.66/x - Step 3: Cross multiply
2,791,963.84x = 4,186,637.60 × 1,172,386.66 - Step 4: Simplify right side
2,791,963.84x = 4,908,358,072,494.42 - Step 5: Solve for x
x = 4,908,358,072,494.42/2,791,963.84 - Step 6: Final answer
x = 1,758,030.67
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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.