Home / 1,672,075.44-2,308,168.71-1,128,946.14

Finding the Fourth Proportional to 1,672,075.44, 2,308,168.71 and 1,128,946.14

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Solution

The fourth proportional to 1,672,075.44, 2,308,168.71 and 1,128,946.14 is: 1,558,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,075.44 : 2,308,168.71 = 1,128,946.14 : x
  2. Step 2: Convert to fraction form
    1,672,075.44/2,308,168.71 = 1,128,946.14/x
  3. Step 3: Cross multiply
    1,672,075.44x = 2,308,168.71 × 1,128,946.14
  4. Step 4: Simplify right side
    1,672,075.44x = 2,605,798,155,623.28
  5. Step 5: Solve for x
    x = 2,605,798,155,623.28/1,672,075.44
  6. Step 6: Final answer
    x = 1,558,421.40

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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.