Home / 3,547,999.40-5,314,125.90-2,918,143.40

Finding the Fourth Proportional to 3,547,999.40, 5,314,125.90 and 2,918,143.40

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Solution

The fourth proportional to 3,547,999.40, 5,314,125.90 and 2,918,143.40 is: 4,370,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,999.40 : 5,314,125.90 = 2,918,143.40 : x
  2. Step 2: Convert to fraction form
    3,547,999.40/5,314,125.90 = 2,918,143.40/x
  3. Step 3: Cross multiply
    3,547,999.40x = 5,314,125.90 × 2,918,143.40
  4. Step 4: Simplify right side
    3,547,999.40x = 15,507,381,421,854.06
  5. Step 5: Solve for x
    x = 15,507,381,421,854.06/3,547,999.40
  6. Step 6: Final answer
    x = 4,370,739.58

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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.