Home / 1,911,191.87-2,637,445.16-1,051,752.13

Finding the Fourth Proportional to 1,911,191.87, 2,637,445.16 and 1,051,752.13

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Solution

The fourth proportional to 1,911,191.87, 2,637,445.16 and 1,051,752.13 is: 1,451,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,191.87 : 2,637,445.16 = 1,051,752.13 : x
  2. Step 2: Convert to fraction form
    1,911,191.87/2,637,445.16 = 1,051,752.13/x
  3. Step 3: Cross multiply
    1,911,191.87x = 2,637,445.16 × 1,051,752.13
  4. Step 4: Simplify right side
    1,911,191.87x = 2,773,938,565,283.72
  5. Step 5: Solve for x
    x = 2,773,938,565,283.72/1,911,191.87
  6. Step 6: Final answer
    x = 1,451,418.15

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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.