Home / 1,928,988.36-2,893,482.54-666,127.08

Finding the Fourth Proportional to 1,928,988.36, 2,893,482.54 and 666,127.08

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Solution

The fourth proportional to 1,928,988.36, 2,893,482.54 and 666,127.08 is: 999,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,988.36 : 2,893,482.54 = 666,127.08 : x
  2. Step 2: Convert to fraction form
    1,928,988.36/2,893,482.54 = 666,127.08/x
  3. Step 3: Cross multiply
    1,928,988.36x = 2,893,482.54 × 666,127.08
  4. Step 4: Simplify right side
    1,928,988.36x = 1,927,427,075,401.18
  5. Step 5: Solve for x
    x = 1,927,427,075,401.18/1,928,988.36
  6. Step 6: Final answer
    x = 999,190.62

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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.