Home / 1,636,681.80-2,257,838.58-1,271,607.39

Finding the Fourth Proportional to 1,636,681.80, 2,257,838.58 and 1,271,607.39

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Solution

The fourth proportional to 1,636,681.80, 2,257,838.58 and 1,271,607.39 is: 1,754,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,681.80 : 2,257,838.58 = 1,271,607.39 : x
  2. Step 2: Convert to fraction form
    1,636,681.80/2,257,838.58 = 1,271,607.39/x
  3. Step 3: Cross multiply
    1,636,681.80x = 2,257,838.58 × 1,271,607.39
  4. Step 4: Simplify right side
    1,636,681.80x = 2,871,084,223,755.11
  5. Step 5: Solve for x
    x = 2,871,084,223,755.11/1,636,681.80
  6. Step 6: Final answer
    x = 1,754,210.39

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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.