Home / 1,907,492.09-2,631,688.05-1,182,075.13

Finding the Fourth Proportional to 1,907,492.09, 2,631,688.05 and 1,182,075.13

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Solution

The fourth proportional to 1,907,492.09, 2,631,688.05 and 1,182,075.13 is: 1,630,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,492.09 : 2,631,688.05 = 1,182,075.13 : x
  2. Step 2: Convert to fraction form
    1,907,492.09/2,631,688.05 = 1,182,075.13/x
  3. Step 3: Cross multiply
    1,907,492.09x = 2,631,688.05 × 1,182,075.13
  4. Step 4: Simplify right side
    1,907,492.09x = 3,110,852,990,199.16
  5. Step 5: Solve for x
    x = 3,110,852,990,199.16/1,907,492.09
  6. Step 6: Final answer
    x = 1,630,860.23

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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.