Home / 2,843,458.32-3,927,207.85-1,911,547.55

Finding the Fourth Proportional to 2,843,458.32, 3,927,207.85 and 1,911,547.55

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Solution

The fourth proportional to 2,843,458.32, 3,927,207.85 and 1,911,547.55 is: 2,640,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843,458.32 : 3,927,207.85 = 1,911,547.55 : x
  2. Step 2: Convert to fraction form
    2,843,458.32/3,927,207.85 = 1,911,547.55/x
  3. Step 3: Cross multiply
    2,843,458.32x = 3,927,207.85 × 1,911,547.55
  4. Step 4: Simplify right side
    2,843,458.32x = 7,507,044,549,047.42
  5. Step 5: Solve for x
    x = 7,507,044,549,047.42/2,843,458.32
  6. Step 6: Final answer
    x = 2,640,110.63

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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.