Home / 1,851,916.80-2,555,631.36-1,047,129.60

Finding the Fourth Proportional to 1,851,916.80, 2,555,631.36 and 1,047,129.60

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Solution

The fourth proportional to 1,851,916.80, 2,555,631.36 and 1,047,129.60 is: 1,445,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,916.80 : 2,555,631.36 = 1,047,129.60 : x
  2. Step 2: Convert to fraction form
    1,851,916.80/2,555,631.36 = 1,047,129.60/x
  3. Step 3: Cross multiply
    1,851,916.80x = 2,555,631.36 × 1,047,129.60
  4. Step 4: Simplify right side
    1,851,916.80x = 2,676,077,243,744.26
  5. Step 5: Solve for x
    x = 2,676,077,243,744.26/1,851,916.80
  6. Step 6: Final answer
    x = 1,445,031.03

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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.