Home / 1,778,210.56-2,455,075.20-1,586,895.36

Finding the Fourth Proportional to 1,778,210.56, 2,455,075.20 and 1,586,895.36

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Solution

The fourth proportional to 1,778,210.56, 2,455,075.20 and 1,586,895.36 is: 2,190,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,210.56 : 2,455,075.20 = 1,586,895.36 : x
  2. Step 2: Convert to fraction form
    1,778,210.56/2,455,075.20 = 1,586,895.36/x
  3. Step 3: Cross multiply
    1,778,210.56x = 2,455,075.20 × 1,586,895.36
  4. Step 4: Simplify right side
    1,778,210.56x = 3,895,947,443,331.07
  5. Step 5: Solve for x
    x = 3,895,947,443,331.07/1,778,210.56
  6. Step 6: Final answer
    x = 2,190,937.08

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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.