Home / 1,911,457.56-2,637,675.42-1,137,045.72

Finding the Fourth Proportional to 1,911,457.56, 2,637,675.42 and 1,137,045.72

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Solution

The fourth proportional to 1,911,457.56, 2,637,675.42 and 1,137,045.72 is: 1,569,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,457.56 : 2,637,675.42 = 1,137,045.72 : x
  2. Step 2: Convert to fraction form
    1,911,457.56/2,637,675.42 = 1,137,045.72/x
  3. Step 3: Cross multiply
    1,911,457.56x = 2,637,675.42 × 1,137,045.72
  4. Step 4: Simplify right side
    1,911,457.56x = 2,999,157,547,060.20
  5. Step 5: Solve for x
    x = 2,999,157,547,060.20/1,911,457.56
  6. Step 6: Final answer
    x = 1,569,042.19

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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.