Home / 3,817,386.12-5,725,929.60-1,293,041.28

Finding the Fourth Proportional to 3,817,386.12, 5,725,929.60 and 1,293,041.28

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Solution

The fourth proportional to 3,817,386.12, 5,725,929.60 and 1,293,041.28 is: 1,939,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817,386.12 : 5,725,929.60 = 1,293,041.28 : x
  2. Step 2: Convert to fraction form
    3,817,386.12/5,725,929.60 = 1,293,041.28/x
  3. Step 3: Cross multiply
    3,817,386.12x = 5,725,929.60 × 1,293,041.28
  4. Step 4: Simplify right side
    3,817,386.12x = 7,403,863,339,173.89
  5. Step 5: Solve for x
    x = 7,403,863,339,173.89/3,817,386.12
  6. Step 6: Final answer
    x = 1,939,511.25

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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.