Home / 1,853,476.80-2,780,215.20-1,136,031.45

Finding the Fourth Proportional to 1,853,476.80, 2,780,215.20 and 1,136,031.45

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Solution

The fourth proportional to 1,853,476.80, 2,780,215.20 and 1,136,031.45 is: 1,704,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,476.80 : 2,780,215.20 = 1,136,031.45 : x
  2. Step 2: Convert to fraction form
    1,853,476.80/2,780,215.20 = 1,136,031.45/x
  3. Step 3: Cross multiply
    1,853,476.80x = 2,780,215.20 × 1,136,031.45
  4. Step 4: Simplify right side
    1,853,476.80x = 3,158,411,904,968.04
  5. Step 5: Solve for x
    x = 3,158,411,904,968.04/1,853,476.80
  6. Step 6: Final answer
    x = 1,704,047.18

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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.