Home / 1,953,075.60-2,927,863.80-1,279,479.60

Finding the Fourth Proportional to 1,953,075.60, 2,927,863.80 and 1,279,479.60

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Solution

The fourth proportional to 1,953,075.60, 2,927,863.80 and 1,279,479.60 is: 1,918,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,075.60 : 2,927,863.80 = 1,279,479.60 : x
  2. Step 2: Convert to fraction form
    1,953,075.60/2,927,863.80 = 1,279,479.60/x
  3. Step 3: Cross multiply
    1,953,075.60x = 2,927,863.80 × 1,279,479.60
  4. Step 4: Simplify right side
    1,953,075.60x = 3,746,142,003,678.48
  5. Step 5: Solve for x
    x = 3,746,142,003,678.48/1,953,075.60
  6. Step 6: Final answer
    x = 1,918,073.22

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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.