Home / 3,178,975.69-4,386,853.16-1,802,412.01

Finding the Fourth Proportional to 3,178,975.69, 4,386,853.16 and 1,802,412.01

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Solution

The fourth proportional to 3,178,975.69, 4,386,853.16 and 1,802,412.01 is: 2,487,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,975.69 : 4,386,853.16 = 1,802,412.01 : x
  2. Step 2: Convert to fraction form
    3,178,975.69/4,386,853.16 = 1,802,412.01/x
  3. Step 3: Cross multiply
    3,178,975.69x = 4,386,853.16 × 1,802,412.01
  4. Step 4: Simplify right side
    3,178,975.69x = 7,906,916,799,756.19
  5. Step 5: Solve for x
    x = 7,906,916,799,756.19/3,178,975.69
  6. Step 6: Final answer
    x = 2,487,253.00

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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.