Home / 2,920,547.12-4,380,824.07-761,570.37

Finding the Fourth Proportional to 2,920,547.12, 4,380,824.07 and 761,570.37

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Solution

The fourth proportional to 2,920,547.12, 4,380,824.07 and 761,570.37 is: 1,142,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,547.12 : 4,380,824.07 = 761,570.37 : x
  2. Step 2: Convert to fraction form
    2,920,547.12/4,380,824.07 = 761,570.37/x
  3. Step 3: Cross multiply
    2,920,547.12x = 4,380,824.07 × 761,570.37
  4. Step 4: Simplify right side
    2,920,547.12x = 3,336,305,807,894.81
  5. Step 5: Solve for x
    x = 3,336,305,807,894.81/2,920,547.12
  6. Step 6: Final answer
    x = 1,142,356.44

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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.