Home / 1,947,927.90-2,688,088.89-1,088,495.22

Finding the Fourth Proportional to 1,947,927.90, 2,688,088.89 and 1,088,495.22

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Solution

The fourth proportional to 1,947,927.90, 2,688,088.89 and 1,088,495.22 is: 1,502,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,927.90 : 2,688,088.89 = 1,088,495.22 : x
  2. Step 2: Convert to fraction form
    1,947,927.90/2,688,088.89 = 1,088,495.22/x
  3. Step 3: Cross multiply
    1,947,927.90x = 2,688,088.89 × 1,088,495.22
  4. Step 4: Simplify right side
    1,947,927.90x = 2,925,971,907,700.11
  5. Step 5: Solve for x
    x = 2,925,971,907,700.11/1,947,927.90
  6. Step 6: Final answer
    x = 1,502,094.56

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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.