Home / 2,085,547.23-3,127,177.89-645,830.96

Finding the Fourth Proportional to 2,085,547.23, 3,127,177.89 and 645,830.96

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Solution

The fourth proportional to 2,085,547.23, 3,127,177.89 and 645,830.96 is: 968,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,547.23 : 3,127,177.89 = 645,830.96 : x
  2. Step 2: Convert to fraction form
    2,085,547.23/3,127,177.89 = 645,830.96/x
  3. Step 3: Cross multiply
    2,085,547.23x = 3,127,177.89 × 645,830.96
  4. Step 4: Simplify right side
    2,085,547.23x = 2,019,628,283,153.59
  5. Step 5: Solve for x
    x = 2,019,628,283,153.59/2,085,547.23
  6. Step 6: Final answer
    x = 968,392.49

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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.